58561631 has 2 divisors, whose sum is σ = 58561632. Its totient is φ = 58561630.

The previous prime is 58561621. The next prime is 58561637. The reversal of 58561631 is 13616585.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 58561631 - 2¹⁴ = 58545247 is a prime.

It is a super-2 number, since 2×58561631² = 6858929250760322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 58561591 and 58561600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58561637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29280815 + 29280816.

It is an arithmetic number, because the mean of its divisors is an integer number (29280816).

Almost surely, 2^58561631 is an apocalyptic number.

58561631 is a deficient number, since it is larger than the sum of its proper divisors (1).

58561631 is an equidigital number, since it uses as much as digits as its factorization.

58561631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 58561631 is about 7652.5571543112. The cubic root of 58561631 is about 388.3330805298. Note that the first 3 decimals are identical.

The spelling of 58561631 in words is "fifty-eight million, five hundred sixty-one thousand, six hundred thirty-one".