502472681 has 2 divisors, whose sum is σ = 502472682. Its totient is φ = 502472680.

The previous prime is 502472611. The next prime is 502472687. The reversal of 502472681 is 186274205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437186281 + 65286400 = 20909^2 + 8080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502472681 is a prime.

It is a super-2 number, since 2×502472681² = 504957590302655522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (502472687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251236340 + 251236341.

It is an arithmetic number, because the mean of its divisors is an integer number (251236341).

Almost surely, 2^502472681 is an apocalyptic number.

It is an amenable number.

502472681 is a deficient number, since it is larger than the sum of its proper divisors (1).

502472681 is an equidigital number, since it uses as much as digits as its factorization.

502472681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 502472681 is about 22415.9024132423. The cubic root of 502472681 is about 795.0067538949.

The spelling of 502472681 in words is "five hundred two million, four hundred seventy-two thousand, six hundred eighty-one".