531242972 has 24 divisors (see below), whose sum is σ = 1002246000. Its totient is φ = 244930176.

The previous prime is 531242969. The next prime is 531242981. The reversal of 531242972 is 279242135.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49679 + ... + 59417.

It is an arithmetic number, because the mean of its divisors is an integer number (41760250).

Almost surely, 2^531242972 is an apocalyptic number.

531242972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

531242972 is a deficient number, since it is larger than the sum of its proper divisors (471003028).

531242972 is a wasteful number, since it uses less digits than its factorization.

531242972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805 (or 10803 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 531242972 is about 23048.7086840022. The cubic root of 531242972 is about 809.8993788539.

It can be divided in two parts, 5312 and 42972, that added together give a palindrome (48284).

The spelling of 531242972 in words is "five hundred thirty-one million, two hundred forty-two thousand, nine hundred seventy-two".