1057357633 has 4 divisors (see below), whose sum is σ = 1103329728. Its totient is φ = 1011385540.

The previous prime is 1057357607. The next prime is 1057357663. The reversal of 1057357633 is 3367537501.

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 1057357633 - 2⁹ = 1057357121 is a prime.

It is a super-2 number, since 2×1057357633² = 2236010328126725378, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057357663) 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, 22986013 + ... + 22986058.

It is an arithmetic number, because the mean of its divisors is an integer number (275832432).

Almost surely, 2^1057357633 is an apocalyptic number.

It is an amenable number.

1057357633 is a deficient number, since it is larger than the sum of its proper divisors (45972095).

1057357633 is an equidigital number, since it uses as much as digits as its factorization.

1057357633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45972094.

The product of its (nonzero) digits is 198450, while the sum is 40.

The square root of 1057357633 is about 32517.0360426654. The cubic root of 1057357633 is about 1018.7648874937.

The spelling of 1057357633 in words is "one billion, fifty-seven million, three hundred fifty-seven thousand, six hundred thirty-three".