25344920 has 16 divisors (see below), whose sum is σ = 57026160. Its totient is φ = 10137952.

The previous prime is 25344881. The next prime is 25344923. The reversal of 25344920 is 2944352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25344923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316772 + ... + 316851.

It is an arithmetic number, because the mean of its divisors is an integer number (3564135).

Almost surely, 2^25344920 is an apocalyptic number.

25344920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25344920 is an abundant number, since it is smaller than the sum of its proper divisors (31681240).

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

25344920 is a wasteful number, since it uses less digits than its factorization.

25344920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633634 (or 633630 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 25344920 is about 5034.3738438857. The cubic root of 25344920 is about 293.7403727039.

The spelling of 25344920 in words is "twenty-five million, three hundred forty-four thousand, nine hundred twenty".