25763992 has 8 divisors (see below), whose sum is σ = 48307500. Its totient is φ = 12881992.

The previous prime is 25763953. The next prime is 25763999. The reversal of 25763992 is 29936752.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25763999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610242 + ... + 1610257.

Almost surely, 2^25763992 is an apocalyptic number.

It is an amenable number.

25763992 is a deficient number, since it is larger than the sum of its proper divisors (22543508).

25763992 is a wasteful number, since it uses less digits than its factorization.

25763992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220505 (or 3220501 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 25763992 is about 5075.8242680377. The cubic root of 25763992 is about 295.3505055292.

The spelling of 25763992 in words is "twenty-five million, seven hundred sixty-three thousand, nine hundred ninety-two".