531152874 has 48 divisors (see below), whose sum is σ = 1320209280. Its totient is φ = 151184160.

The previous prime is 531152851. The next prime is 531152911. The reversal of 531152874 is 478251135.

531152874 is a `hidden beast` number, since 53 + 11 + 528 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26059 + ... + 41729.

It is an arithmetic number, because the mean of its divisors is an integer number (27504360).

Almost surely, 2^531152874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531152874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660104640).

531152874 is an abundant number, since it is smaller than the sum of its proper divisors (789056406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531152874 is a wasteful number, since it uses less digits than its factorization.

531152874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15955 (or 15952 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 531152874 is about 23046.7540881574. The cubic root of 531152874 is about 809.8535903644.

It can be divided in two parts, 5311 and 52874, that added together give a palindrome (58185).

The spelling of 531152874 in words is "five hundred thirty-one million, one hundred fifty-two thousand, eight hundred seventy-four".