25146912 has 96 divisors (see below), whose sum is σ = 78769152. Its totient is φ = 6868224.

The previous prime is 25146911. The next prime is 25146923. The reversal of 25146912 is 21964152.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 25146912.

It is not an unprimeable number, because it can be changed into a prime (25146911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14643 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (820512).

Almost surely, 2^25146912 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 25146912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39384576).

25146912 is an abundant number, since it is smaller than the sum of its proper divisors (53622240).

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

25146912 is a wasteful number, since it uses less digits than its factorization.

25146912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1662 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 25146912 is about 5014.6696800487. The cubic root of 25146912 is about 292.9734199156.

The spelling of 25146912 in words is "twenty-five million, one hundred forty-six thousand, nine hundred twelve".