992462021 has 2 divisors, whose sum is σ = 992462022. Its totient is φ = 992462020.

The previous prime is 992461991. The next prime is 992462087. The reversal of 992462021 is 120264299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 719848900 + 272613121 = 26830^2 + 16511^2 .

It is an emirp because it is prime and its reverse (120264299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 992462021 - 2²² = 988267717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992062021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496231010 + 496231011.

It is an arithmetic number, because the mean of its divisors is an integer number (496231011).

Almost surely, 2^992462021 is an apocalyptic number.

It is an amenable number.

992462021 is a deficient number, since it is larger than the sum of its proper divisors (1).

992462021 is an equidigital number, since it uses as much as digits as its factorization.

992462021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 992462021 is about 31503.3652329398. The cubic root of 992462021 is about 997.4810003018.

The spelling of 992462021 in words is "nine hundred ninety-two million, four hundred sixty-two thousand, twenty-one".