531002242 has 48 divisors (see below), whose sum is σ = 899190720. Its totient is φ = 234620672.

The previous prime is 531002237. The next prime is 531002249. The reversal of 531002242 is 242200135.

It is not an unprimeable number, because it can be changed into a prime (531002249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 784008 + ... + 784684.

It is an arithmetic number, because the mean of its divisors is an integer number (18733140).

Almost surely, 2^531002242 is an apocalyptic number.

531002242 is a deficient number, since it is larger than the sum of its proper divisors (368188478).

531002242 is a wasteful number, since it uses less digits than its factorization.

531002242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 531002242 is about 23043.4858908109. The cubic root of 531002242 is about 809.7770264687. Note that the first 3 decimals are identical.

Adding to 531002242 its reverse (242200135), we get a palindrome (773202377).

The spelling of 531002242 in words is "five hundred thirty-one million, two thousand, two hundred forty-two".