25920296 has 8 divisors (see below), whose sum is σ = 48600570. Its totient is φ = 12960144.

The previous prime is 25920289. The next prime is 25920341. The reversal of 25920296 is 69202952.

It can be written as a sum of positive squares in only one way, i.e., 25867396 + 52900 = 5086^2 + 230^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620011 + ... + 1620026.

Almost surely, 2^25920296 is an apocalyptic number.

It is an amenable number.

25920296 is a deficient number, since it is larger than the sum of its proper divisors (22680274).

25920296 is a wasteful number, since it uses less digits than its factorization.

25920296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240043 (or 3240039 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 25920296 is about 5091.1978944056. The cubic root of 25920296 is about 295.9465754567.

The spelling of 25920296 in words is "twenty-five million, nine hundred twenty thousand, two hundred ninety-six".