3821137725 has 12 divisors (see below), whose sum is σ = 6317614496. Its totient is φ = 2037940080.

The previous prime is 3821137657. The next prime is 3821137751. The reversal of 3821137725 is 5277311283.

3821137725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3821137725 - 2²⁴ = 3804360509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25474177 + ... + 25474326.

Almost surely, 2^3821137725 is an apocalyptic number.

It is an amenable number.

3821137725 is a deficient number, since it is larger than the sum of its proper divisors (2496476771).

3821137725 is a wasteful number, since it uses less digits than its factorization.

3821137725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50948516 (or 50948511 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 3821137725 is about 61815.3518553442. The cubic root of 3821137725 is about 1563.3788429804.

The spelling of 3821137725 in words is "three billion, eight hundred twenty-one million, one hundred thirty-seven thousand, seven hundred twenty-five".