25133460 has 96 divisors (see below), whose sum is σ = 77680512. Its totient is φ = 6021120.

The previous prime is 25133453. The next prime is 25133489. The reversal of 25133460 is 6433152.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25133460.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 74412 + ... + 74748.

It is an arithmetic number, because the mean of its divisors is an integer number (809172).

Almost surely, 2^25133460 is an apocalyptic number.

25133460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25133460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38840256).

25133460 is an abundant number, since it is smaller than the sum of its proper divisors (52547052).

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

25133460 is a wasteful number, since it uses less digits than its factorization.

25133460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 25133460 is about 5013.3282358130. The cubic root of 25133460 is about 292.9211698766.

The spelling of 25133460 in words is "twenty-five million, one hundred thirty-three thousand, four hundred sixty".