531422404 has 12 divisors (see below), whose sum is σ = 930715324. Its totient is φ = 265503744.

The previous prime is 531422399. The next prime is 531422413. The reversal of 531422404 is 404224135.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 484088004 + 47334400 = 22002^2 + 6880^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46029 + ... + 56404.

Almost surely, 2^531422404 is an apocalyptic number.

It is an amenable number.

531422404 is a deficient number, since it is larger than the sum of its proper divisors (399292920).

531422404 is a wasteful number, since it uses less digits than its factorization.

531422404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103734 (or 103732 counting only the distinct ones).

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

The square root of 531422404 is about 23052.6008077180. The cubic root of 531422404 is about 809.9905521430.

Adding to 531422404 its reverse (404224135), we get a palindrome (935646539).

The spelling of 531422404 in words is "five hundred thirty-one million, four hundred twenty-two thousand, four hundred four".