514885729 has 2 divisors, whose sum is σ = 514885730. Its totient is φ = 514885728.

The previous prime is 514885711. The next prime is 514885757. The reversal of 514885729 is 927588415.

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., 499299025 + 15586704 = 22345^2 + 3948^2 .

It is a cyclic number.

It is not a de Polignac number, because 514885729 - 2¹³ = 514877537 is a prime.

It is a super-2 number, since 2×514885729² = 530214627855722882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (514885759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257442864 + 257442865.

It is an arithmetic number, because the mean of its divisors is an integer number (257442865).

Almost surely, 2^514885729 is an apocalyptic number.

It is an amenable number.

514885729 is a deficient number, since it is larger than the sum of its proper divisors (1).

514885729 is an equidigital number, since it uses as much as digits as its factorization.

514885729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 49.

The square root of 514885729 is about 22691.0936052011. The cubic root of 514885729 is about 801.5001689621.

The spelling of 514885729 in words is "five hundred fourteen million, eight hundred eighty-five thousand, seven hundred twenty-nine".