25713258 has 8 divisors (see below), whose sum is σ = 51426528. Its totient is φ = 8571084.

The previous prime is 25713239. The next prime is 25713271. The reversal of 25713258 is 85231752.

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

25713258 is an admirable number.

It is a super-2 number, since 2×25713258² = 1322343273949128, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2142766 + ... + 2142777.

It is an arithmetic number, because the mean of its divisors is an integer number (6428316).

Almost surely, 2^25713258 is an apocalyptic number.

25713258 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.

25713258 is a wasteful number, since it uses less digits than its factorization.

25713258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285548.

The product of its digits is 16800, while the sum is 33.

The square root of 25713258 is about 5070.8241933634. The cubic root of 25713258 is about 295.1565117964.

The spelling of 25713258 in words is "twenty-five million, seven hundred thirteen thousand, two hundred fifty-eight".