504234131 has 4 divisors (see below), whose sum is σ = 509129712. Its totient is φ = 499338552.

The previous prime is 504234097. The next prime is 504234139. The reversal of 504234131 is 131432405.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504234131 is a prime.

It is a super-2 number, since 2×504234131² = 508504117730650322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 504234097 and 504234106.

It is not an unprimeable number, because it can be changed into a prime (504234139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447636 + ... + 2447841.

It is an arithmetic number, because the mean of its divisors is an integer number (127282428).

Almost surely, 2^504234131 is an apocalyptic number.

504234131 is a deficient number, since it is larger than the sum of its proper divisors (4895581).

504234131 is a wasteful number, since it uses less digits than its factorization.

504234131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895580.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 504234131 is about 22455.1582270088. The cubic root of 504234131 is about 795.9346527460.

Adding to 504234131 its reverse (131432405), we get a palindrome (635666536).

The spelling of 504234131 in words is "five hundred four million, two hundred thirty-four thousand, one hundred thirty-one".