3625680631 has 2 divisors, whose sum is σ = 3625680632. Its totient is φ = 3625680630.

The previous prime is 3625680571. The next prime is 3625680677. The reversal of 3625680631 is 1360865263.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3625680631 - 2⁷ = 3625680503 is a prime.

It is a super-2 number, since 2×3625680631² = 26291120076017116322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3625680691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812840315 + 1812840316.

It is an arithmetic number, because the mean of its divisors is an integer number (1812840316).

Almost surely, 2^3625680631 is an apocalyptic number.

3625680631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625680631 is an equidigital number, since it uses as much as digits as its factorization.

3625680631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 3625680631 is about 60213.6249614653. The cubic root of 3625680631 is about 1536.2545500020.

The spelling of 3625680631 in words is "three billion, six hundred twenty-five million, six hundred eighty thousand, six hundred thirty-one".