1073492857 has 2 divisors, whose sum is σ = 1073492858. Its totient is φ = 1073492856.

The previous prime is 1073492851. The next prime is 1073492891. The reversal of 1073492857 is 7582943701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 854334441 + 219158416 = 29229^2 + 14804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073492857 - 2¹¹ = 1073490809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1073492851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536746428 + 536746429.

It is an arithmetic number, because the mean of its divisors is an integer number (536746429).

Almost surely, 2^1073492857 is an apocalyptic number.

It is an amenable number.

1073492857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073492857 is an equidigital number, since it uses as much as digits as its factorization.

1073492857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 1073492857 is about 32764.2008448245. The cubic root of 1073492857 is about 1023.9208494043.

The spelling of 1073492857 in words is "one billion, seventy-three million, four hundred ninety-two thousand, eight hundred fifty-seven".