501274481 has 2 divisors, whose sum is σ = 501274482. Its totient is φ = 501274480.

The previous prime is 501274463. The next prime is 501274507. The reversal of 501274481 is 184472105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301334881 + 199939600 = 17359^2 + 14140^2 .

It is a cyclic number.

It is not a de Polignac number, because 501274481 - 2¹⁰ = 501273457 is a prime.

It is a super-2 number, since 2×501274481² = 502552210603638722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (501274451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250637240 + 250637241.

It is an arithmetic number, because the mean of its divisors is an integer number (250637241).

Almost surely, 2^501274481 is an apocalyptic number.

It is an amenable number.

501274481 is a deficient number, since it is larger than the sum of its proper divisors (1).

501274481 is an equidigital number, since it uses as much as digits as its factorization.

501274481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 501274481 is about 22389.1598993799. The cubic root of 501274481 is about 794.3743246390.

The spelling of 501274481 in words is "five hundred one million, two hundred seventy-four thousand, four hundred eighty-one".