3921296025 has 12 divisors (see below), whose sum is σ = 6483209552. Its totient is φ = 2091357840.

The previous prime is 3921296021. The next prime is 3921296081. The reversal of 3921296025 is 5206921293.

It is not a de Polignac number, because 3921296025 - 2² = 3921296021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3921296021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26141899 + ... + 26142048.

Almost surely, 2^3921296025 is an apocalyptic number.

It is an amenable number.

3921296025 is a deficient number, since it is larger than the sum of its proper divisors (2561913527).

3921296025 is a wasteful number, since it uses less digits than its factorization.

3921296025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52283960 (or 52283955 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 3921296025 is about 62620.2525146617. The cubic root of 3921296025 is about 1576.9207807850.

The spelling of 3921296025 in words is "three billion, nine hundred twenty-one million, two hundred ninety-six thousand, twenty-five".