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25241317 = 121320809
BaseRepresentation
bin110000001001…
…0011011100101
31202111101120121
41200102123211
522430210232
62301001541
7424355563
oct140223345
952441517
1025241317
11132801a2
1285532b1
1352c9cba
1434d0a33
152338d97
hex18126e5

25241317 has 4 divisors (see below), whose sum is σ = 25263340. Its totient is φ = 25219296.

The previous prime is 25241309. The next prime is 25241323. The reversal of 25241317 is 71314252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 22033636 = 1791^2 + 4694^2 .

It is a cyclic number.

It is not a de Polignac number, because 25241317 - 23 = 25241309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25241291 and 25241300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25241357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9192 + ... + 11617.

It is an arithmetic number, because the mean of its divisors is an integer number (6315835).

Almost surely, 225241317 is an apocalyptic number.

It is an amenable number.

25241317 is a deficient number, since it is larger than the sum of its proper divisors (22023).

25241317 is a wasteful number, since it uses less digits than its factorization.

25241317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022.

The product of its digits is 1680, while the sum is 25.

The square root of 25241317 is about 5024.0737454779. The cubic root of 25241317 is about 293.3395830567.

Adding to 25241317 its reverse (71314252), we get a palindrome (96555569).

The spelling of 25241317 in words is "twenty-five million, two hundred forty-one thousand, three hundred seventeen".

Divisors: 1 1213 20809 25241317