25516960 has 48 divisors (see below), whose sum is σ = 68898816. Its totient is φ = 8748288.

The previous prime is 25516957. The next prime is 25516961. The reversal of 25516960 is 6961552.

It is a happy number.

It is a super-2 number, since 2×25516960² = 1302230495283200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25516961) 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 in 7 ways as a sum of consecutive naturals, for example, 10272 + ... + 12511.

It is an arithmetic number, because the mean of its divisors is an integer number (1435392).

Almost surely, 2^25516960 is an apocalyptic number.

25516960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25516960 is an abundant number, since it is smaller than the sum of its proper divisors (43381856).

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

25516960 is a wasteful number, since it uses less digits than its factorization.

25516960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22805 (or 22797 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 25516960 is about 5051.4314802836. The cubic root of 25516960 is about 294.4035059838.

The spelling of 25516960 in words is "twenty-five million, five hundred sixteen thousand, nine hundred sixty".