25425774 has 24 divisors (see below), whose sum is σ = 60097752. Its totient is φ = 7704720.

The previous prime is 25425773. The next prime is 25425811. The reversal of 25425774 is 47752452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64009 + ... + 64404.

It is an arithmetic number, because the mean of its divisors is an integer number (2504073).

Almost surely, 2^25425774 is an apocalyptic number.

25425774 is an abundant number, since it is smaller than the sum of its proper divisors (34671978).

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

25425774 is a wasteful number, since it uses less digits than its factorization.

25425774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128432 (or 128429 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 25425774 is about 5042.3976439785. The cubic root of 25425774 is about 294.0523993789.

The spelling of 25425774 in words is "twenty-five million, four hundred twenty-five thousand, seven hundred seventy-four".