531420424 has 64 divisors (see below), whose sum is σ = 1071576000. Its totient is φ = 246343680.

The previous prime is 531420419. The next prime is 531420433. The reversal of 531420424 is 424024135.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2204944 + ... + 2205184.

It is an arithmetic number, because the mean of its divisors is an integer number (16743375).

Almost surely, 2^531420424 is an apocalyptic number.

It is an amenable number.

531420424 is an abundant number, since it is smaller than the sum of its proper divisors (540155576).

531420424 is a wasteful number, since it uses less digits than its factorization.

531420424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 531420424 is about 23052.5578624152. The cubic root of 531420424 is about 809.9895461741.

Adding to 531420424 its reverse (424024135), we get a palindrome (955444559).

The spelling of 531420424 in words is "five hundred thirty-one million, four hundred twenty thousand, four hundred twenty-four".