25255398 has 16 divisors (see below), whose sum is σ = 57726720. Its totient is φ = 7215816.

The previous prime is 25255397. The next prime is 25255411. The reversal of 25255398 is 89355252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 300618 + ... + 300701.

It is an arithmetic number, because the mean of its divisors is an integer number (3607920).

Almost surely, 2^25255398 is an apocalyptic number.

25255398 is an abundant number, since it is smaller than the sum of its proper divisors (32471322).

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

25255398 is a wasteful number, since it uses less digits than its factorization.

25255398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601331.

The product of its digits is 108000, while the sum is 39.

The square root of 25255398 is about 5025.4749029321. The cubic root of 25255398 is about 293.3941199209.

The spelling of 25255398 in words is "twenty-five million, two hundred fifty-five thousand, three hundred ninety-eight".