206325631 has 2 divisors, whose sum is σ = 206325632. Its totient is φ = 206325630.

The previous prime is 206325601. The next prime is 206325671. The reversal of 206325631 is 136523602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206325631 - 2⁵ = 206325599 is a prime.

It is a super-2 number, since 2×206325631² = 85140532015096322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206325631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206325601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103162815 + 103162816.

It is an arithmetic number, because the mean of its divisors is an integer number (103162816).

Almost surely, 2^206325631 is an apocalyptic number.

206325631 is a deficient number, since it is larger than the sum of its proper divisors (1).

206325631 is an equidigital number, since it uses as much as digits as its factorization.

206325631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 206325631 is about 14364.0395084391. The cubic root of 206325631 is about 590.9050850444.

The spelling of 206325631 in words is "two hundred six million, three hundred twenty-five thousand, six hundred thirty-one".