25745265 has 48 divisors (see below), whose sum is σ = 54931968. Its totient is φ = 10862208.

The previous prime is 25745249. The next prime is 25745267. The reversal of 25745265 is 56254752.

It is not a de Polignac number, because 25745265 - 2⁴ = 25745249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25745267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 952 + ... + 7238.

It is an arithmetic number, because the mean of its divisors is an integer number (1144416).

Almost surely, 2^25745265 is an apocalyptic number.

It is an amenable number.

25745265 is an abundant number, since it is smaller than the sum of its proper divisors (29186703).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25745265 is a wasteful number, since it uses less digits than its factorization.

25745265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6318 (or 6315 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 25745265 is about 5073.9792076831. The cubic root of 25745265 is about 295.2789279884.

The spelling of 25745265 in words is "twenty-five million, seven hundred forty-five thousand, two hundred sixty-five".