58731961 has 2 divisors, whose sum is σ = 58731962. Its totient is φ = 58731960.

The previous prime is 58731919. The next prime is 58731971. The reversal of 58731961 is 16913785.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46172025 + 12559936 = 6795^2 + 3544^2 .

It is a cyclic number.

It is not a de Polignac number, because 58731961 - 2¹⁷ = 58600889 is a prime.

It is not a weakly prime, because it can be changed into another prime (58731971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29365980 + 29365981.

It is an arithmetic number, because the mean of its divisors is an integer number (29365981).

Almost surely, 2^58731961 is an apocalyptic number.

It is an amenable number.

58731961 is a deficient number, since it is larger than the sum of its proper divisors (1).

58731961 is an equidigital number, since it uses as much as digits as its factorization.

58731961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 58731961 is about 7663.6780334249. The cubic root of 58731961 is about 388.7092127471.

The spelling of 58731961 in words is "fifty-eight million, seven hundred thirty-one thousand, nine hundred sixty-one".