25057305 has 96 divisors (see below), whose sum is σ = 55560960. Its totient is φ = 10160640.

The previous prime is 25057301. The next prime is 25057309. The reversal of 25057305 is 50375052.

It is an interprime number because it is at equal distance from previous prime (25057301) and next prime (25057309).

It is not a de Polignac number, because 25057305 - 2² = 25057301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25057301) 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 95 ways as a sum of consecutive naturals, for example, 118650 + ... + 118860.

It is an arithmetic number, because the mean of its divisors is an integer number (578760).

Almost surely, 2^25057305 is an apocalyptic number.

It is an amenable number.

25057305 is an abundant number, since it is smaller than the sum of its proper divisors (30503655).

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

25057305 is a wasteful number, since it uses less digits than its factorization.

25057305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 25057305 is about 5005.7272198952. The cubic root of 25057305 is about 292.6250177835.

The spelling of 25057305 in words is "twenty-five million, fifty-seven thousand, three hundred five".