1057590685 has 8 divisors (see below), whose sum is σ = 1269759456. Its totient is φ = 845638800.

The previous prime is 1057590671. The next prime is 1057590691. The reversal of 1057590685 is 5860957501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1057590685 - 2⁷ = 1057590557 is a prime.

It is a super-2 number, since 2×1057590685² = 2236996113997538450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43291 + ... + 63160.

It is an arithmetic number, because the mean of its divisors is an integer number (158719932).

Almost surely, 2^1057590685 is an apocalyptic number.

It is an amenable number.

1057590685 is a deficient number, since it is larger than the sum of its proper divisors (212168771).

1057590685 is a wasteful number, since it uses less digits than its factorization.

1057590685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108443.

The product of its (nonzero) digits is 378000, while the sum is 46.

The square root of 1057590685 is about 32520.6193821704. The cubic root of 1057590685 is about 1018.8397305886.

The spelling of 1057590685 in words is "one billion, fifty-seven million, five hundred ninety thousand, six hundred eighty-five".