504020234 has 4 divisors (see below), whose sum is σ = 756030354. Its totient is φ = 252010116.

The previous prime is 504020219. The next prime is 504020263. The reversal of 504020234 is 432020405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 414244609 + 89775625 = 20353^2 + 9475^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126005057 + ... + 126005060.

Almost surely, 2^504020234 is an apocalyptic number.

504020234 is a deficient number, since it is larger than the sum of its proper divisors (252010120).

504020234 is a wasteful number, since it uses less digits than its factorization.

504020234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252010119.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 504020234 is about 22450.3949631181. The cubic root of 504020234 is about 795.8220912044.

Adding to 504020234 its reverse (432020405), we get a palindrome (936040639).

The spelling of 504020234 in words is "five hundred four million, twenty thousand, two hundred thirty-four".