25201265 has 16 divisors (see below), whose sum is σ = 31162320. Its totient is φ = 19553280.

The previous prime is 25201249. The next prime is 25201283. The reversal of 25201265 is 56210252.

It can be written as a sum of positive squares in 8 ways, for example, as 4032064 + 21169201 = 2008^2 + 4601^2 .

It is not a de Polignac number, because 25201265 - 2⁴ = 25201249 is a prime.

It is a super-3 number, since 3×25201265³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25201265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54917 + ... + 55373.

It is an arithmetic number, because the mean of its divisors is an integer number (1947645).

Almost surely, 2^25201265 is an apocalyptic number.

It is an amenable number.

25201265 is a deficient number, since it is larger than the sum of its proper divisors (5961055).

25201265 is a wasteful number, since it uses less digits than its factorization.

25201265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25201265 is about 5020.0861546392. The cubic root of 25201265 is about 293.1843474078.

The spelling of 25201265 in words is "twenty-five million, two hundred one thousand, two hundred sixty-five".