1057017057 has 4 divisors (see below), whose sum is σ = 1409356080. Its totient is φ = 704678036.

The previous prime is 1057017047. The next prime is 1057017097. The reversal of 1057017057 is 7507107501.

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 a cyclic number.

It is not a de Polignac number, because 1057017057 - 2¹⁰ = 1057016033 is a prime.

It is a super-2 number, since 2×1057017057² = 2234570117577882498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057017047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176169507 + ... + 176169512.

It is an arithmetic number, because the mean of its divisors is an integer number (352339020).

Almost surely, 2^1057017057 is an apocalyptic number.

It is an amenable number.

1057017057 is a deficient number, since it is larger than the sum of its proper divisors (352339023).

1057017057 is an equidigital number, since it uses as much as digits as its factorization.

1057017057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352339022.

The product of its (nonzero) digits is 8575, while the sum is 33.

The square root of 1057017057 is about 32511.7987352284. The cubic root of 1057017057 is about 1018.6554940022.

The spelling of 1057017057 in words is "one billion, fifty-seven million, seventeen thousand, fifty-seven".