792021961 has 2 divisors, whose sum is σ = 792021962. Its totient is φ = 792021960.

The previous prime is 792021953. The next prime is 792021977. The reversal of 792021961 is 169120297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401761936 + 390260025 = 20044^2 + 19755^2 .

It is a cyclic number.

It is not a de Polignac number, because 792021961 - 2³ = 792021953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 792021961.

It is not a weakly prime, because it can be changed into another prime (792021991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396010980 + 396010981.

It is an arithmetic number, because the mean of its divisors is an integer number (396010981).

Almost surely, 2^792021961 is an apocalyptic number.

It is an amenable number.

792021961 is a deficient number, since it is larger than the sum of its proper divisors (1).

792021961 is an equidigital number, since it uses as much as digits as its factorization.

792021961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 792021961 is about 28142.8847313135. The cubic root of 792021961 is about 925.2215533580.

The spelling of 792021961 in words is "seven hundred ninety-two million, twenty-one thousand, nine hundred sixty-one".