92474821 has 2 divisors, whose sum is σ = 92474822. Its totient is φ = 92474820.

The previous prime is 92474819. The next prime is 92474831. The reversal of 92474821 is 12847429.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61449921 + 31024900 = 7839^2 + 5570^2 .

It is a cyclic number.

It is not a de Polignac number, because 92474821 - 2¹ = 92474819 is a prime.

Together with 92474819, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92474831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46237410 + 46237411.

It is an arithmetic number, because the mean of its divisors is an integer number (46237411).

Almost surely, 2^92474821 is an apocalyptic number.

It is an amenable number.

92474821 is a deficient number, since it is larger than the sum of its proper divisors (1).

92474821 is an equidigital number, since it uses as much as digits as its factorization.

92474821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 92474821 is about 9616.3829478656. The cubic root of 92474821 is about 452.2110459476.

The spelling of 92474821 in words is "ninety-two million, four hundred seventy-four thousand, eight hundred twenty-one".