25097265 has 12 divisors (see below), whose sum is σ = 43502004. Its totient is φ = 13385184.

The previous prime is 25097231. The next prime is 25097269. The reversal of 25097265 is 56279052.

It can be written as a sum of positive squares in 2 ways, for example, as 5089536 + 20007729 = 2256^2 + 4473^2 .

It is not a de Polignac number, because 25097265 - 2¹³ = 25089073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25097269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278814 + ... + 278903.

It is an arithmetic number, because the mean of its divisors is an integer number (3625167).

Almost surely, 2^25097265 is an apocalyptic number.

It is an amenable number.

25097265 is a deficient number, since it is larger than the sum of its proper divisors (18404739).

25097265 is a wasteful number, since it uses less digits than its factorization.

25097265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557728 (or 557725 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 25097265 is about 5009.7170578786. The cubic root of 25097265 is about 292.7804892155.

The spelling of 25097265 in words is "twenty-five million, ninety-seven thousand, two hundred sixty-five".