25730958 has 32 divisors (see below), whose sum is σ = 56453760. Its totient is φ = 7753760.

The previous prime is 25730941. The next prime is 25730977. The reversal of 25730958 is 85903752.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12013 + ... + 13991.

It is an arithmetic number, because the mean of its divisors is an integer number (1764180).

Almost surely, 2^25730958 is an apocalyptic number.

25730958 is an abundant number, since it is smaller than the sum of its proper divisors (30722802).

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

25730958 is a wasteful number, since it uses less digits than its factorization.

25730958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 25730958 is about 5072.5691715343. The cubic root of 25730958 is about 295.2242209913.

The spelling of 25730958 in words is "twenty-five million, seven hundred thirty thousand, nine hundred fifty-eight".