1057065775 has 12 divisors (see below), whose sum is σ = 1341245752. Its totient is φ = 825985440.

The previous prime is 1057065743. The next prime is 1057065787. The reversal of 1057065775 is 5775607501.

It is not a de Polignac number, because 1057065775 - 2⁵ = 1057065743 is a prime.

It is a super-2 number, since 2×1057065775² = 2234776105352701250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490584 + ... + 492733.

Almost surely, 2^1057065775 is an apocalyptic number.

1057065775 is a deficient number, since it is larger than the sum of its proper divisors (284179977).

1057065775 is an equidigital number, since it uses as much as digits as its factorization.

1057065775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983370 (or 983365 counting only the distinct ones).

The product of its (nonzero) digits is 257250, while the sum is 43.

The square root of 1057065775 is about 32512.5479622868. The cubic root of 1057065775 is about 1018.6711437326.

The spelling of 1057065775 in words is "one billion, fifty-seven million, sixty-five thousand, seven hundred seventy-five".