92390561 has 2 divisors, whose sum is σ = 92390562. Its totient is φ = 92390560.

The previous prime is 92390533. The next prime is 92390569. The reversal of 92390561 is 16509329.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50140561 + 42250000 = 7081^2 + 6500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92390561 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (92390569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46195280 + 46195281.

It is an arithmetic number, because the mean of its divisors is an integer number (46195281).

Almost surely, 2^92390561 is an apocalyptic number.

It is an amenable number.

92390561 is a deficient number, since it is larger than the sum of its proper divisors (1).

92390561 is an equidigital number, since it uses as much as digits as its factorization.

92390561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 92390561 is about 9612.0008843112. Note that the first 3 decimals coincide. The cubic root of 92390561 is about 452.0736576257.

The spelling of 92390561 in words is "ninety-two million, three hundred ninety thousand, five hundred sixty-one".