92645821 has 2 divisors, whose sum is σ = 92645822. Its totient is φ = 92645820.

The previous prime is 92645759. The next prime is 92645827. The reversal of 92645821 is 12854629.

It is the 3930-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87216921 + 5428900 = 9339^2 + 2330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92645821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92645827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46322910 + 46322911.

It is an arithmetic number, because the mean of its divisors is an integer number (46322911).

Almost surely, 2^92645821 is an apocalyptic number.

It is an amenable number.

92645821 is a deficient number, since it is larger than the sum of its proper divisors (1).

92645821 is an equidigital number, since it uses as much as digits as its factorization.

92645821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 92645821 is about 9625.2699182932. The cubic root of 92645821 is about 452.4896099687.

The spelling of 92645821 in words is "ninety-two million, six hundred forty-five thousand, eight hundred twenty-one".