25452616 has 32 divisors (see below), whose sum is σ = 55442880. Its totient is φ = 10728000.

The previous prime is 25452607. The next prime is 25452619. The reversal of 25452616 is 61625452.

It is a super-2 number, since 2×25452616² = 1295671322486912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25452619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (1732590).

Almost surely, 2^25452616 is an apocalyptic number.

It is an amenable number.

25452616 is an abundant number, since it is smaller than the sum of its proper divisors (29990264).

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

25452616 is a wasteful number, since it uses less digits than its factorization.

25452616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7525 (or 7521 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 25452616 is about 5045.0585725044. The cubic root of 25452616 is about 294.1558400661.

The spelling of 25452616 in words is "twenty-five million, four hundred fifty-two thousand, six hundred sixteen".