25454912 has 42 divisors (see below), whose sum is σ = 58766202. Its totient is φ = 10907904.

The previous prime is 25454911. The next prime is 25454917. The reversal of 25454912 is 21945452.

It can be written as a sum of positive squares in only one way, i.e., 24840256 + 614656 = 4984^2 + 784^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25454911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 923 + ... + 7194.

Almost surely, 2^25454912 is an apocalyptic number.

It is an amenable number.

25454912 is an abundant number, since it is smaller than the sum of its proper divisors (33311290).

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

25454912 is an equidigital number, since it uses as much as digits as its factorization.

25454912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143 (or 8126 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 25454912 is about 5045.2861167629. The cubic root of 25454912 is about 294.1646847562.

The spelling of 25454912 in words is "twenty-five million, four hundred fifty-four thousand, nine hundred twelve".