531003942 has 48 divisors (see below), whose sum is σ = 1392217632. Its totient is φ = 142790400.

The previous prime is 531003931. The next prime is 531003961. The reversal of 531003942 is 249300135.

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 23 ways as a sum of consecutive naturals, for example, 121809 + ... + 126092.

It is an arithmetic number, because the mean of its divisors is an integer number (29004534).

Almost surely, 2^531003942 is an apocalyptic number.

531003942 is an abundant number, since it is smaller than the sum of its proper divisors (861213690).

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

531003942 is a wasteful number, since it uses less digits than its factorization.

531003942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247933 (or 247930 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 531003942 is about 23043.5227775616. The cubic root of 531003942 is about 809.7778906329. Note that the first 3 decimals are identical.

The spelling of 531003942 in words is "five hundred thirty-one million, three thousand, nine hundred forty-two".