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25252841 = 61413981
BaseRepresentation
bin110000001010…
…1001111101001
31202111222101102
41200111033221
522431042331
62301131145
7424434305
oct140251751
952458342
1025252841
1113288919
128559ab5
135302313
1434d4d05
15233c4cb
hex18153e9

25252841 has 4 divisors (see below), whose sum is σ = 25666884. Its totient is φ = 24838800.

The previous prime is 25252831. The next prime is 25252847. The reversal of 25252841 is 14825252.

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 462400 + 24790441 = 680^2 + 4979^2 .

It is a cyclic number.

It is not a de Polignac number, because 25252841 - 222 = 21058537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25252847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206930 + ... + 207051.

It is an arithmetic number, because the mean of its divisors is an integer number (6416721).

Almost surely, 225252841 is an apocalyptic number.

It is an amenable number.

25252841 is a deficient number, since it is larger than the sum of its proper divisors (414043).

25252841 is an equidigital number, since it uses as much as digits as its factorization.

25252841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414042.

The product of its digits is 6400, while the sum is 29.

The square root of 25252841 is about 5025.2204926749. The cubic root of 25252841 is about 293.3842179574.

The spelling of 25252841 in words is "twenty-five million, two hundred fifty-two thousand, eight hundred forty-one".

Divisors: 1 61 413981 25252841