92513921 has 2 divisors, whose sum is σ = 92513922. Its totient is φ = 92513920.

The previous prime is 92513909. The next prime is 92513957. The reversal of 92513921 is 12931529.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90916225 + 1597696 = 9535^2 + 1264^2 .

It is a cyclic number.

It is not a de Polignac number, because 92513921 - 2¹⁸ = 92251777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (92513221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46256960 + 46256961.

It is an arithmetic number, because the mean of its divisors is an integer number (46256961).

Almost surely, 2^92513921 is an apocalyptic number.

It is an amenable number.

92513921 is a deficient number, since it is larger than the sum of its proper divisors (1).

92513921 is an equidigital number, since it uses as much as digits as its factorization.

92513921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 92513921 is about 9618.4157219367. The cubic root of 92513921 is about 452.2747712596.

The spelling of 92513921 in words is "ninety-two million, five hundred thirteen thousand, nine hundred twenty-one".