504531312 has 40 divisors (see below), whose sum is σ = 1360043904. Its totient is φ = 160864704.

The previous prime is 504531311. The next prime is 504531319. The reversal of 504531312 is 213135405.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504531311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227398 + ... + 229605.

Almost surely, 2^504531312 is an apocalyptic number.

It is an amenable number.

504531312 is an abundant number, since it is smaller than the sum of its proper divisors (855512592).

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

504531312 is a wasteful number, since it uses less digits than its factorization.

504531312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457037 (or 457031 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 504531312 is about 22461.7744624061. The cubic root of 504531312 is about 796.0909889844.

Adding to 504531312 its reverse (213135405), we get a palindrome (717666717).

The spelling of 504531312 in words is "five hundred four million, five hundred thirty-one thousand, three hundred twelve".