531242430 has 16 divisors (see below), whose sum is σ = 1274981904. Its totient is φ = 141664640.

The previous prime is 531242417. The next prime is 531242449. The reversal of 531242430 is 34242135.

It is a self number, because there is not a number n which added to its sum of digits gives 531242430.

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, 8854011 + ... + 8854070.

It is an arithmetic number, because the mean of its divisors is an integer number (79686369).

Almost surely, 2^531242430 is an apocalyptic number.

531242430 is an abundant number, since it is smaller than the sum of its proper divisors (743739474).

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

531242430 is a wasteful number, since it uses less digits than its factorization.

531242430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17708091.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 531242430 is about 23048.6969262906. The cubic root of 531242430 is about 809.8991034209.

Adding to 531242430 its reverse (34242135), we get a palindrome (565484565).

The spelling of 531242430 in words is "five hundred thirty-one million, two hundred forty-two thousand, four hundred thirty".