1046057557 has 4 divisors (see below), whose sum is σ = 1046364300. Its totient is φ = 1045750816.

The previous prime is 1046057539. The next prime is 1046057569. The reversal of 1046057557 is 7557506401.

It is a happy number.

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 218862436 + 827195121 = 14794^2 + 28761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046057557 - 2²³ = 1037668949 is a prime.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046057587) 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, 148198 + ... + 155095.

It is an arithmetic number, because the mean of its divisors is an integer number (261591075).

Almost surely, 2^1046057557 is an apocalyptic number.

It is an amenable number.

1046057557 is a deficient number, since it is larger than the sum of its proper divisors (306743).

1046057557 is an equidigital number, since it uses as much as digits as its factorization.

1046057557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306742.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 1046057557 is about 32342.8130656565. The cubic root of 1046057557 is about 1015.1226709947.

The spelling of 1046057557 in words is "one billion, forty-six million, fifty-seven thousand, five hundred fifty-seven".