25442916 has 12 divisors (see below), whose sum is σ = 59366832. Its totient is φ = 8480968.

The previous prime is 25442891. The next prime is 25442927. The reversal of 25442916 is 61924452.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060110 + ... + 1060133.

It is an arithmetic number, because the mean of its divisors is an integer number (4947236).

Almost surely, 2^25442916 is an apocalyptic number.

It is an amenable number.

25442916 is an abundant number, since it is smaller than the sum of its proper divisors (33923916).

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

25442916 is a wasteful number, since it uses less digits than its factorization.

25442916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120250 (or 2120248 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 25442916 is about 5044.0971441875. The cubic root of 25442916 is about 294.1184676903.

It can be divided in two parts, 2544 and 2916, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 25442916 in words is "twenty-five million, four hundred forty-two thousand, nine hundred sixteen".