514472681 has 2 divisors, whose sum is σ = 514472682. Its totient is φ = 514472680.

The previous prime is 514472677. The next prime is 514472687. The reversal of 514472681 is 186274415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495463081 + 19009600 = 22259^2 + 4360^2 .

It is a cyclic number.

It is not a de Polignac number, because 514472681 - 2² = 514472677 is a prime.

It is a super-2 number, since 2×514472681² = 529364278990655522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (514472687) 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, 257236340 + 257236341.

It is an arithmetic number, because the mean of its divisors is an integer number (257236341).

Almost surely, 2^514472681 is an apocalyptic number.

It is an amenable number.

514472681 is a deficient number, since it is larger than the sum of its proper divisors (1).

514472681 is an equidigital number, since it uses as much as digits as its factorization.

514472681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 514472681 is about 22681.9902345451. The cubic root of 514472681 is about 801.2857870200.

The spelling of 514472681 in words is "five hundred fourteen million, four hundred seventy-two thousand, six hundred eighty-one".