1057992973 has 2 divisors, whose sum is σ = 1057992974. Its totient is φ = 1057992972.

The previous prime is 1057992959. The next prime is 1057992989. The reversal of 1057992973 is 3792997501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009523529 + 48469444 = 31773^2 + 6962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057992973 - 2⁹ = 1057992461 is a prime.

It is a super-2 number, since 2×1057992973² = 2238698261834757458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057992973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057992073) 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, 528996486 + 528996487.

It is an arithmetic number, because the mean of its divisors is an integer number (528996487).

Almost surely, 2^1057992973 is an apocalyptic number.

It is an amenable number.

1057992973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057992973 is an equidigital number, since it uses as much as digits as its factorization.

1057992973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 1057992973 is about 32526.8039161551. The cubic root of 1057992973 is about 1018.9688968296.

The spelling of 1057992973 in words is "one billion, fifty-seven million, nine hundred ninety-two thousand, nine hundred seventy-three".