1057075523 has 4 divisors (see below), whose sum is σ = 1208086320. Its totient is φ = 906064728.

The previous prime is 1057075471. The next prime is 1057075529. The reversal of 1057075523 is 3255707501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3255707501 = 4019 ⋅810079.

It is a cyclic number.

It is not a de Polignac number, because 1057075523 - 2¹⁸ = 1056813379 is a prime.

It is a super-2 number, since 2×1057075523² = 2234817322651447058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057075529) 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, 75505388 + ... + 75505401.

It is an arithmetic number, because the mean of its divisors is an integer number (302021580).

Almost surely, 2^1057075523 is an apocalyptic number.

1057075523 is a deficient number, since it is larger than the sum of its proper divisors (151010797).

1057075523 is an equidigital number, since it uses as much as digits as its factorization.

1057075523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151010796.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 1057075523 is about 32512.6978732925. The cubic root of 1057075523 is about 1018.6742750343.

The spelling of 1057075523 in words is "one billion, fifty-seven million, seventy-five thousand, five hundred twenty-three".