504211431 has 4 divisors (see below), whose sum is σ = 672281912. Its totient is φ = 336140952.

The previous prime is 504211427. The next prime is 504211447. The reversal of 504211431 is 134112405.

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

It is not a de Polignac number, because 504211431 - 2² = 504211427 is a prime.

It is a super-2 number, since 2×504211431² = 508458334302135522, 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 = 504211398 and 504211407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504211231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84035236 + ... + 84035241.

It is an arithmetic number, because the mean of its divisors is an integer number (168070478).

Almost surely, 2^504211431 is an apocalyptic number.

504211431 is a deficient number, since it is larger than the sum of its proper divisors (168070481).

504211431 is a wasteful number, since it uses less digits than its factorization.

504211431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168070480.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 504211431 is about 22454.6527695264. The cubic root of 504211431 is about 795.9227085672.

Adding to 504211431 its reverse (134112405), we get a palindrome (638323836).

The spelling of 504211431 in words is "five hundred four million, two hundred eleven thousand, four hundred thirty-one".