1057113349 has 4 divisors (see below), whose sum is σ = 1061770464. Its totient is φ = 1052456236.

The previous prime is 1057113341. The next prime is 1057113377. The reversal of 1057113349 is 9433117501.

It is a happy number.

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 1057113349 - 2³ = 1057113341 is a prime.

It is a super-2 number, since 2×1057113349² = 2234977265267991602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057113341) 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, 2328217 + ... + 2328670.

It is an arithmetic number, because the mean of its divisors is an integer number (265442616).

Almost surely, 2^1057113349 is an apocalyptic number.

It is an amenable number.

1057113349 is a deficient number, since it is larger than the sum of its proper divisors (4657115).

1057113349 is an equidigital number, since it uses as much as digits as its factorization.

1057113349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657114.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1057113349 is about 32513.2795792735. The cubic root of 1057113349 is about 1018.6864255107.

The spelling of 1057113349 in words is "one billion, fifty-seven million, one hundred thirteen thousand, three hundred forty-nine".