531157474 has 8 divisors (see below), whose sum is σ = 800512848. Its totient is φ = 264319860.

The previous prime is 531157463. The next prime is 531157477. The reversal of 531157474 is 474751135.

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

It is not an unprimeable number, because it can be changed into a prime (531157477) 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, 628912 + ... + 629755.

It is an arithmetic number, because the mean of its divisors is an integer number (100064106).

Almost surely, 2^531157474 is an apocalyptic number.

531157474 is a deficient number, since it is larger than the sum of its proper divisors (269355374).

531157474 is a wasteful number, since it uses less digits than its factorization.

531157474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258880.

The product of its digits is 58800, while the sum is 37.

The square root of 531157474 is about 23046.8538850751. The cubic root of 531157474 is about 809.8559282448.

The spelling of 531157474 in words is "five hundred thirty-one million, one hundred fifty-seven thousand, four hundred seventy-four".