1057153049 has 4 divisors (see below), whose sum is σ = 1060969764. Its totient is φ = 1053336336.

The previous prime is 1057153033. The next prime is 1057153051. The reversal of 1057153049 is 9403517501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85895824 + 971257225 = 9268^2 + 31165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057153049 - 2⁴ = 1057153033 is a prime.

It is a super-2 number, since 2×1057153049² = 2235145138019992802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057153079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907942 + ... + 1908495.

It is an arithmetic number, because the mean of its divisors is an integer number (265242441).

Almost surely, 2^1057153049 is an apocalyptic number.

It is an amenable number.

1057153049 is a deficient number, since it is larger than the sum of its proper divisors (3816715).

1057153049 is an equidigital number, since it uses as much as digits as its factorization.

1057153049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816714.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 1057153049 is about 32513.8900933124. The cubic root of 1057153049 is about 1018.6991776421.

The spelling of 1057153049 in words is "one billion, fifty-seven million, one hundred fifty-three thousand, forty-nine".