25516072 has 16 divisors (see below), whose sum is σ = 48096000. Its totient is φ = 12690480.

The previous prime is 25516067. The next prime is 25516081. The reversal of 25516072 is 27061552.

It is a self number, because there is not a number n which added to its sum of digits gives 25516072.

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, 6822 + ... + 9877.

It is an arithmetic number, because the mean of its divisors is an integer number (3006000).

Almost surely, 2^25516072 is an apocalyptic number.

It is an amenable number.

25516072 is a deficient number, since it is larger than the sum of its proper divisors (22579928).

25516072 is a wasteful number, since it uses less digits than its factorization.

25516072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16896 (or 16892 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 25516072 is about 5051.3435836419. The cubic root of 25516072 is about 294.4000908258.

The spelling of 25516072 in words is "twenty-five million, five hundred sixteen thousand, seventy-two".