1052031557 has 8 divisors (see below), whose sum is σ = 1067638656. Its totient is φ = 1036494432.

The previous prime is 1052031517. The next prime is 1052031571. The reversal of 1052031557 is 7551302501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052031557 is a prime.

It is a super-2 number, since 2×1052031557² = 2213540793847688498, 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 (1052031517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13193 + ... + 47729.

It is an arithmetic number, because the mean of its divisors is an integer number (133454832).

Almost surely, 2^1052031557 is an apocalyptic number.

It is an amenable number.

1052031557 is a deficient number, since it is larger than the sum of its proper divisors (15607099).

1052031557 is an equidigital number, since it uses as much as digits as its factorization.

1052031557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34987.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1052031557 is about 32435.0359488008. The cubic root of 1052031557 is about 1017.0514478784.

The spelling of 1052031557 in words is "one billion, fifty-two million, thirty-one thousand, five hundred fifty-seven".