25081264 has 40 divisors (see below), whose sum is σ = 53763920. Its totient is φ = 11259648.

The previous prime is 25081253. The next prime is 25081279. The reversal of 25081264 is 46218052.

It is a super-3 number, since 3×25081264³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6067 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (1344098).

Almost surely, 2^25081264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25081264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26881960).

25081264 is an abundant number, since it is smaller than the sum of its proper divisors (28682656).

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

25081264 is a wasteful number, since it uses less digits than its factorization.

25081264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317 (or 3311 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 25081264 is about 5008.1198068736. The cubic root of 25081264 is about 292.7182543256.

The spelling of 25081264 in words is "twenty-five million, eighty-one thousand, two hundred sixty-four".