58891631 has 2 divisors, whose sum is σ = 58891632. Its totient is φ = 58891630.

The previous prime is 58891627. The next prime is 58891687. The reversal of 58891631 is 13619885.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 58891631 - 2² = 58891627 is a prime.

It is a super-2 number, since 2×58891631² = 6936448403680322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58891601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29445815 + 29445816.

It is an arithmetic number, because the mean of its divisors is an integer number (29445816).

Almost surely, 2^58891631 is an apocalyptic number.

58891631 is a deficient number, since it is larger than the sum of its proper divisors (1).

58891631 is an equidigital number, since it uses as much as digits as its factorization.

58891631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 41.

The square root of 58891631 is about 7674.0882846108. The cubic root of 58891631 is about 389.0611451521.

The spelling of 58891631 in words is "fifty-eight million, eight hundred ninety-one thousand, six hundred thirty-one".