504889631 has 2 divisors, whose sum is σ = 504889632. Its totient is φ = 504889630.

The previous prime is 504889571. The next prime is 504889639. The reversal of 504889631 is 136988405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504889631 - 2¹⁴ = 504873247 is a prime.

It is a super-2 number, since 2×504889631² = 509827078982632322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504889639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252444815 + 252444816.

It is an arithmetic number, because the mean of its divisors is an integer number (252444816).

Almost surely, 2^504889631 is an apocalyptic number.

504889631 is a deficient number, since it is larger than the sum of its proper divisors (1).

504889631 is an equidigital number, since it uses as much as digits as its factorization.

504889631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 504889631 is about 22469.7492420365. The cubic root of 504889631 is about 796.2794061137.

The spelling of 504889631 in words is "five hundred four million, eight hundred eighty-nine thousand, six hundred thirty-one".