514990657 has 2 divisors, whose sum is σ = 514990658. Its totient is φ = 514990656.

The previous prime is 514990603. The next prime is 514990699. The reversal of 514990657 is 756099415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359140401 + 155850256 = 18951^2 + 12484^2 .

It is a cyclic number.

It is not a de Polignac number, because 514990657 - 2¹¹ = 514988609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (514990057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257495328 + 257495329.

It is an arithmetic number, because the mean of its divisors is an integer number (257495329).

Almost surely, 2^514990657 is an apocalyptic number.

It is an amenable number.

514990657 is a deficient number, since it is larger than the sum of its proper divisors (1).

514990657 is an equidigital number, since it uses as much as digits as its factorization.

514990657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 514990657 is about 22693.4055840017. The cubic root of 514990657 is about 801.5546108786.

The spelling of 514990657 in words is "five hundred fourteen million, nine hundred ninety thousand, six hundred fifty-seven".