25275858 has 16 divisors (see below), whose sum is σ = 51264576. Its totient is φ = 8306480.

The previous prime is 25275853. The next prime is 25275869. The reversal of 25275858 is 85857252.

It is not an unprimeable number, because it can be changed into a prime (25275851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29241 + ... + 30092.

It is an arithmetic number, because the mean of its divisors is an integer number (3204036).

Almost surely, 2^25275858 is an apocalyptic number.

25275858 is an abundant number, since it is smaller than the sum of its proper divisors (25988718).

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

25275858 is a wasteful number, since it uses less digits than its factorization.

25275858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59409.

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

The square root of 25275858 is about 5027.5101193334. The cubic root of 25275858 is about 293.4733270592.

It can be divided in two parts, 2527 and 5858, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 25275858 in words is "twenty-five million, two hundred seventy-five thousand, eight hundred fifty-eight".