531243244125 has 48 divisors (see below), whose sum is σ = 1044714011328. Its totient is φ = 257572476000.

The previous prime is 531243244099. The next prime is 531243244139. The reversal of 531243244125 is 521442342135.

It is a happy number.

531243244125 is a `hidden beast` number, since 5 + 312 + 4 + 324 + 4 + 12 + 5 = 666.

It is not a de Polignac number, because 531243244125 - 2⁶ = 531243244061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531243244125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21451999 + ... + 21476748.

It is an arithmetic number, because the mean of its divisors is an integer number (21764875236).

Almost surely, 2^531243244125 is an apocalyptic number.

531243244125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531243244125 is a deficient number, since it is larger than the sum of its proper divisors (513470767203).

531243244125 is a wasteful number, since it uses less digits than its factorization.

531243244125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42928779 (or 42928766 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 531243244125 in words is "five hundred thirty-one billion, two hundred forty-three million, two hundred forty-four thousand, one hundred twenty-five".