514681 has 2 divisors, whose sum is σ = 514682.
Its totient is φ = 514680.
The previous prime is 514669. The next prime is 514711. The reversal of 514681 is 186415.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 512656 + 2025 = 716^2 + 45^2
It is a cyclic number.
It is not a de Polignac number, because 514681 - 25 = 514649 is a prime.
It is a super-2 number, since 2×5146812 = 529793063522, which contains 22 as substring.
It is an Ulam number.
It is not a weakly prime, because it can be changed into another prime (514621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257340 + 257341.
It is an arithmetic number, because the mean of its divisors is an integer number (257341).
2514681 is an apocalyptic number.
It is an amenable number.
514681 is a deficient number, since it is larger than the sum of its proper divisors (1).
514681 is an equidigital number, since it uses as much as digits as its factorization.
514681 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 960, while the sum is 25.
The square root of 514681 is about 717.4127124605.
The cubic root of 514681 is about 80.1393923976.
The spelling of 514681 in words is "five hundred fourteen thousand, six hundred eighty-one".