1053231057 has 6 divisors (see below), whose sum is σ = 1521333762. Its totient is φ = 702154032.

The previous prime is 1053231043. The next prime is 1053231059. The reversal of 1053231057 is 7501323501.

It can be written as a sum of positive squares in only one way, i.e., 676832256 + 376398801 = 26016^2 + 19401^2 .

It is not a de Polignac number, because 1053231057 - 2⁴ = 1053231041 is a prime.

It is a super-2 number, since 2×1053231057² = 2218591318858674498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053231057.

It is not an unprimeable number, because it can be changed into a prime (1053231059) 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 5 ways as a sum of consecutive naturals, for example, 58512828 + ... + 58512845.

It is an arithmetic number, because the mean of its divisors is an integer number (253555627).

Almost surely, 2^1053231057 is an apocalyptic number.

It is an amenable number.

1053231057 is a deficient number, since it is larger than the sum of its proper divisors (468102705).

1053231057 is a wasteful number, since it uses less digits than its factorization.

1053231057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117025679 (or 117025676 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 1053231057 is about 32453.5214884302. The cubic root of 1053231057 is about 1017.4378399164.

Adding to 1053231057 its reverse (7501323501), we get a palindrome (8554554558).

The spelling of 1053231057 in words is "one billion, fifty-three million, two hundred thirty-one thousand, fifty-seven".