25431412 has 6 divisors (see below), whose sum is σ = 44504978. Its totient is φ = 12715704.

The previous prime is 25431407. The next prime is 25431431. The reversal of 25431412 is 21413452.

It can be written as a sum of positive squares in only one way, i.e., 22695696 + 2735716 = 4764^2 + 1654^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178923 + ... + 3178930.

Almost surely, 2^25431412 is an apocalyptic number.

It is an amenable number.

25431412 is a deficient number, since it is larger than the sum of its proper divisors (19073566).

25431412 is a wasteful number, since it uses less digits than its factorization.

25431412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357857 (or 6357855 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 25431412 is about 5042.9566724294. The cubic root of 25431412 is about 294.0741325082.

Adding to 25431412 its reverse (21413452), we get a palindrome (46844864).

The spelling of 25431412 in words is "twenty-five million, four hundred thirty-one thousand, four hundred twelve".