531332442 has 24 divisors (see below), whose sum is σ = 1153204416. Its totient is φ = 176805576.

The previous prime is 531332437. The next prime is 531332447. The reversal of 531332442 is 244233135.

It is an interprime number because it is at equal distance from previous prime (531332437) and next prime (531332447).

It is not an unprimeable number, because it can be changed into a prime (531332447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14578 + ... + 35709.

It is an arithmetic number, because the mean of its divisors is an integer number (48050184).

Almost surely, 2^531332442 is an apocalyptic number.

531332442 is an abundant number, since it is smaller than the sum of its proper divisors (621871974).

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

531332442 is a wasteful number, since it uses less digits than its factorization.

531332442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50882 (or 50879 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 531332442 is about 23050.6494919341. The cubic root of 531332442 is about 809.9448430663.

Adding to 531332442 its reverse (244233135), we get a palindrome (775565577).

The spelling of 531332442 in words is "five hundred thirty-one million, three hundred thirty-two thousand, four hundred forty-two".