32620631 has 2 divisors, whose sum is σ = 32620632. Its totient is φ = 32620630.

The previous prime is 32620619. The next prime is 32620633. The reversal of 32620631 is 13602623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32620631 - 2²² = 28426327 is a prime.

It is a super-2 number, since 2×32620631² = 2128211133676322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 32620633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 32620597 and 32620606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32620633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16310315 + 16310316.

It is an arithmetic number, because the mean of its divisors is an integer number (16310316).

Almost surely, 2^32620631 is an apocalyptic number.

32620631 is a deficient number, since it is larger than the sum of its proper divisors (1).

32620631 is an equidigital number, since it uses as much as digits as its factorization.

32620631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 32620631 is about 5711.4473647229. The cubic root of 32620631 is about 319.5195622503.

The spelling of 32620631 in words is "thirty-two million, six hundred twenty thousand, six hundred thirty-one".