92551861 has 2 divisors, whose sum is σ = 92551862. Its totient is φ = 92551860.

The previous prime is 92551843. The next prime is 92551873. The reversal of 92551861 is 16815529.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55219761 + 37332100 = 7431^2 + 6110^2 .

It is a cyclic number.

It is not a de Polignac number, because 92551861 - 2⁵ = 92551829 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 92551861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92551841) 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, 46275930 + 46275931.

It is an arithmetic number, because the mean of its divisors is an integer number (46275931).

Almost surely, 2^92551861 is an apocalyptic number.

It is an amenable number.

92551861 is a deficient number, since it is larger than the sum of its proper divisors (1).

92551861 is an equidigital number, since it uses as much as digits as its factorization.

92551861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 37.

The square root of 92551861 is about 9620.3877780472. The cubic root of 92551861 is about 452.3365888380.

The spelling of 92551861 in words is "ninety-two million, five hundred fifty-one thousand, eight hundred sixty-one".