25423516 has 6 divisors (see below), whose sum is σ = 44491160. Its totient is φ = 12711756.

The previous prime is 25423507. The next prime is 25423529. The reversal of 25423516 is 61532452.

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, 3177936 + ... + 3177943.

Almost surely, 2^25423516 is an apocalyptic number.

It is an amenable number.

25423516 is a deficient number, since it is larger than the sum of its proper divisors (19067644).

25423516 is a wasteful number, since it uses less digits than its factorization.

25423516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355883 (or 6355881 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 25423516 is about 5042.1737375858. The cubic root of 25423516 is about 294.0436944329.

Adding to 25423516 its reverse (61532452), we get a palindrome (86955968).

The spelling of 25423516 in words is "twenty-five million, four hundred twenty-three thousand, five hundred sixteen".