25312916 has 6 divisors (see below), whose sum is σ = 44297610. Its totient is φ = 12656456.

The previous prime is 25312913. The next prime is 25312919. The reversal of 25312916 is 61921352.

It is an interprime number because it is at equal distance from previous prime (25312913) and next prime (25312919).

It can be written as a sum of positive squares in only one way, i.e., 24304900 + 1008016 = 4930^2 + 1004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25312913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164111 + ... + 3164118.

It is an arithmetic number, because the mean of its divisors is an integer number (7382935).

Almost surely, 2^25312916 is an apocalyptic number.

It is an amenable number.

25312916 is a deficient number, since it is larger than the sum of its proper divisors (18984694).

25312916 is a wasteful number, since it uses less digits than its factorization.

25312916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328233 (or 6328231 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 25312916 is about 5031.1942916171. The cubic root of 25312916 is about 293.6166815578.

The spelling of 25312916 in words is "twenty-five million, three hundred twelve thousand, nine hundred sixteen".