515049259 has 2 divisors, whose sum is σ = 515049260. Its totient is φ = 515049258.

The previous prime is 515049253. The next prime is 515049299. The reversal of 515049259 is 952940515.

It is an a-pointer prime, because the next prime (515049299) can be obtained adding 515049259 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 515049259 - 2²⁷ = 380831531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (515049253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257524629 + 257524630.

It is an arithmetic number, because the mean of its divisors is an integer number (257524630).

Almost surely, 2^515049259 is an apocalyptic number.

515049259 is a deficient number, since it is larger than the sum of its proper divisors (1).

515049259 is an equidigital number, since it uses as much as digits as its factorization.

515049259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 515049259 is about 22694.6967153121. The cubic root of 515049259 is about 801.5850133212.

The spelling of 515049259 in words is "five hundred fifteen million, forty-nine thousand, two hundred fifty-nine".