89960531 has 2 divisors, whose sum is σ = 89960532. Its totient is φ = 89960530.

The previous prime is 89960527. The next prime is 89960569. The reversal of 89960531 is 13506998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89960531 - 2² = 89960527 is a prime.

It is a super-2 number, since 2×89960531² = 16185794275603922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89960501) 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, 44980265 + 44980266.

It is an arithmetic number, because the mean of its divisors is an integer number (44980266).

Almost surely, 2^89960531 is an apocalyptic number.

89960531 is a deficient number, since it is larger than the sum of its proper divisors (1).

89960531 is an equidigital number, since it uses as much as digits as its factorization.

89960531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 89960531 is about 9484.7525534407. The cubic root of 89960531 is about 448.0749552386.

The spelling of 89960531 in words is "eighty-nine million, nine hundred sixty thousand, five hundred thirty-one".