25303957 has 16 divisors (see below), whose sum is σ = 29619712. Its totient is φ = 21170160.

The previous prime is 25303951. The next prime is 25303969. The reversal of 25303957 is 75930352.

It is a cyclic number.

It is not a de Polignac number, because 25303957 - 2¹⁵ = 25271189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25303951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76282 + ... + 76612.

It is an arithmetic number, because the mean of its divisors is an integer number (1851232).

Almost surely, 2^25303957 is an apocalyptic number.

It is an amenable number.

25303957 is a deficient number, since it is larger than the sum of its proper divisors (4315755).

25303957 is a wasteful number, since it uses less digits than its factorization.

25303957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 25303957 is about 5030.3038675611. The cubic root of 25303957 is about 293.5820375543.

The spelling of 25303957 in words is "twenty-five million, three hundred three thousand, nine hundred fifty-seven".