25953988 has 12 divisors (see below), whose sum is σ = 45514000. Its totient is φ = 12949992.

The previous prime is 25953973. The next prime is 25953989. The reversal of 25953988 is 88935952.

It is not an unprimeable number, because it can be changed into a prime (25953989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4506 + ... + 8497.

Almost surely, 2^25953988 is an apocalyptic number.

It is an amenable number.

25953988 is a deficient number, since it is larger than the sum of its proper divisors (19560012).

25953988 is a wasteful number, since it uses less digits than its factorization.

25953988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506 (or 13504 counting only the distinct ones).

The product of its digits is 777600, while the sum is 49.

The square root of 25953988 is about 5094.5056678740. The cubic root of 25953988 is about 296.0747467672.

The spelling of 25953988 in words is "twenty-five million, nine hundred fifty-three thousand, nine hundred eighty-eight".