25572858 has 8 divisors (see below), whose sum is σ = 51145728. Its totient is φ = 8524284.

The previous prime is 25572839. The next prime is 25572887. The reversal of 25572858 is 85827552.

It is a sphenic number, since it is the product of 3 distinct primes.

25572858 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131066 + ... + 2131077.

It is an arithmetic number, because the mean of its divisors is an integer number (6393216).

Almost surely, 2^25572858 is an apocalyptic number.

25572858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25572858 is a wasteful number, since it uses less digits than its factorization.

25572858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262148.

The product of its digits is 224000, while the sum is 42.

The square root of 25572858 is about 5056.9613405681. The cubic root of 25572858 is about 294.6183247432.

The spelling of 25572858 in words is "twenty-five million, five hundred seventy-two thousand, eight hundred fifty-eight".