531516332 has 12 divisors (see below), whose sum is σ = 930324360. Its totient is φ = 265709376.

The previous prime is 531516311. The next prime is 531516343. The reversal of 531516332 is 233615135.

It is a super-2 number, since 2×531516332² = 565019222365468448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531516295 and 531516304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24743 + ... + 40929.

It is an arithmetic number, because the mean of its divisors is an integer number (77527030).

Almost surely, 2^531516332 is an apocalyptic number.

It is an amenable number.

531516332 is a deficient number, since it is larger than the sum of its proper divisors (398808028).

531516332 is a wasteful number, since it uses less digits than its factorization.

531516332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24400 (or 24398 counting only the distinct ones).

The product of its digits is 8100, while the sum is 29.

The square root of 531516332 is about 23054.6379715666. The cubic root of 531516332 is about 810.0382708128.

The spelling of 531516332 in words is "five hundred thirty-one million, five hundred sixteen thousand, three hundred thirty-two".