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25116097 = 35337109
BaseRepresentation
bin101111111001…
…1110111000001
31202021000210211
41133303313001
522412203342
62254154121
7423324526
oct137636701
952230724
1025116097
11131a5106
1284b2941
135284cc6
14349b14d
152311c17
hex17f3dc1

25116097 has 4 divisors (see below), whose sum is σ = 25126740. Its totient is φ = 25105456.

The previous prime is 25116083. The next prime is 25116101. The reversal of 25116097 is 79061152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 13220496 = 3449^2 + 3636^2 .

It is a cyclic number.

It is not a de Polignac number, because 25116097 - 215 = 25083329 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25116197) 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, 22 + ... + 7087.

It is an arithmetic number, because the mean of its divisors is an integer number (6281685).

Almost surely, 225116097 is an apocalyptic number.

It is an amenable number.

25116097 is a deficient number, since it is larger than the sum of its proper divisors (10643).

25116097 is an equidigital number, since it uses as much as digits as its factorization.

25116097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 25116097 is about 5011.5962526923. The cubic root of 25116097 is about 292.8537012258.

The spelling of 25116097 in words is "twenty-five million, one hundred sixteen thousand, ninety-seven".

Divisors: 1 3533 7109 25116097