500257481 has 2 divisors, whose sum is σ = 500257482. Its totient is φ = 500257480.

The previous prime is 500257477. The next prime is 500257607. The reversal of 500257481 is 184752005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497959225 + 2298256 = 22315^2 + 1516^2 .

It is a cyclic number.

It is not a de Polignac number, because 500257481 - 2² = 500257477 is a prime.

It is a super-2 number, since 2×500257481² = 500515094592930722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (500257411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250128740 + 250128741.

It is an arithmetic number, because the mean of its divisors is an integer number (250128741).

Almost surely, 2^500257481 is an apocalyptic number.

It is an amenable number.

500257481 is a deficient number, since it is larger than the sum of its proper divisors (1).

500257481 is an equidigital number, since it uses as much as digits as its factorization.

500257481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 500257481 is about 22366.4364841608. The cubic root of 500257481 is about 793.8367444744.

The spelling of 500257481 in words is "five hundred million, two hundred fifty-seven thousand, four hundred eighty-one".