531142358 has 8 divisors (see below), whose sum is σ = 831353328. Its totient is φ = 254024584.

The previous prime is 531142327. The next prime is 531142393. The reversal of 531142358 is 853241135.

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

It is a super-2 number, since 2×531142358² = 564224408923600328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5773241 + ... + 5773332.

It is an arithmetic number, because the mean of its divisors is an integer number (103919166).

Almost surely, 2^531142358 is an apocalyptic number.

531142358 is a deficient number, since it is larger than the sum of its proper divisors (300210970).

531142358 is a wasteful number, since it uses less digits than its factorization.

531142358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11546598.

The product of its digits is 14400, while the sum is 32.

The square root of 531142358 is about 23046.5259421024. The cubic root of 531142358 is about 809.8482457157.

It can be divided in two parts, 53 and 1142358, that added together give a palindrome (1142411).

The spelling of 531142358 in words is "five hundred thirty-one million, one hundred forty-two thousand, three hundred fifty-eight".