25493265 has 64 divisors (see below), whose sum is σ = 52876800. Its totient is φ = 11411712.

The previous prime is 25493263. The next prime is 25493287. The reversal of 25493265 is 56239452.

It is not a de Polignac number, because 25493265 - 2¹ = 25493263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25493261) 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 63 ways as a sum of consecutive naturals, for example, 49831 + ... + 50339.

It is an arithmetic number, because the mean of its divisors is an integer number (826200).

Almost surely, 2^25493265 is an apocalyptic number.

It is an amenable number.

25493265 is an abundant number, since it is smaller than the sum of its proper divisors (27383535).

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

25493265 is a wasteful number, since it uses less digits than its factorization.

25493265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 577 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 25493265 is about 5049.0855607724. The cubic root of 25493265 is about 294.3123502524.

The spelling of 25493265 in words is "twenty-five million, four hundred ninety-three thousand, two hundred sixty-five".