25667412 has 24 divisors (see below), whose sum is σ = 60008256. Its totient is φ = 8539008.

The previous prime is 25667401. The next prime is 25667417. The reversal of 25667412 is 21476652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25667417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5313 + ... + 8919.

It is an arithmetic number, because the mean of its divisors is an integer number (2500344).

Almost surely, 2^25667412 is an apocalyptic number.

It is an amenable number.

25667412 is an abundant number, since it is smaller than the sum of its proper divisors (34340844).

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

25667412 is a wasteful number, since it uses less digits than its factorization.

25667412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207 (or 4205 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 25667412 is about 5066.3016096557. The cubic root of 25667412 is about 294.9809889118.

It can be divided in two parts, 256674 and 12, that added together give a triangular number (256686 = T₇₁₆).

The spelling of 25667412 in words is "twenty-five million, six hundred sixty-seven thousand, four hundred twelve".