1057334257 has 4 divisors (see below), whose sum is σ = 1208382016. Its totient is φ = 906286500.

The previous prime is 1057334251. The next prime is 1057334269. The reversal of 1057334257 is 7524337501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1057334257 - 2²³ = 1048945649 is a prime.

It is a super-2 number, since 2×1057334257² = 2235911462051484098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057334251) 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 in 3 ways as a sum of consecutive naturals, for example, 75523869 + ... + 75523882.

It is an arithmetic number, because the mean of its divisors is an integer number (302095504).

Almost surely, 2^1057334257 is an apocalyptic number.

It is an amenable number.

1057334257 is a deficient number, since it is larger than the sum of its proper divisors (151047759).

1057334257 is an equidigital number, since it uses as much as digits as its factorization.

1057334257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151047758.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 1057334257 is about 32516.6765983241. The cubic root of 1057334257 is about 1018.7573798404.

The spelling of 1057334257 in words is "one billion, fifty-seven million, three hundred thirty-four thousand, two hundred fifty-seven".