992005057 has 2 divisors, whose sum is σ = 992005058. Its totient is φ = 992005056.

The previous prime is 992004917. The next prime is 992005093. The reversal of 992005057 is 750500299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646379776 + 345625281 = 25424^2 + 18591^2 .

It is a cyclic number.

It is not a de Polignac number, because 992005057 - 2¹⁹ = 991480769 is a prime.

It is a super-2 number, since 2×992005057² = 1968148066227146498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (992065057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496002528 + 496002529.

It is an arithmetic number, because the mean of its divisors is an integer number (496002529).

Almost surely, 2^992005057 is an apocalyptic number.

It is an amenable number.

992005057 is a deficient number, since it is larger than the sum of its proper divisors (1).

992005057 is an equidigital number, since it uses as much as digits as its factorization.

992005057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 992005057 is about 31496.1117759002. Note that the first 3 decimals coincide. The cubic root of 992005057 is about 997.3278851621.

The spelling of 992005057 in words is "nine hundred ninety-two million, five thousand, fifty-seven".