25945812 has 48 divisors (see below), whose sum is σ = 68140800. Its totient is φ = 8536320.

The previous prime is 25945783. The next prime is 25945823. The reversal of 25945812 is 21854952.

25945812 is a `hidden beast` number, since 2 + 594 + 58 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7012 + ... + 10052.

It is an arithmetic number, because the mean of its divisors is an integer number (1419600).

Almost surely, 2^25945812 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 25945812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34070400).

25945812 is an abundant number, since it is smaller than the sum of its proper divisors (42194988).

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

25945812 is a wasteful number, since it uses less digits than its factorization.

25945812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3125 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 25945812 is about 5093.7031715639. The cubic root of 25945812 is about 296.0436537759.

The spelling of 25945812 in words is "twenty-five million, nine hundred forty-five thousand, eight hundred twelve".