515364049 has 2 divisors, whose sum is σ = 515364050. Its totient is φ = 515364048.

The previous prime is 515364011. The next prime is 515364077. The reversal of 515364049 is 940463515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 410670225 + 104693824 = 20265^2 + 10232^2 .

It is a cyclic number.

It is not a de Polignac number, because 515364049 - 2²⁵ = 481809617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 515363999 and 515364017.

It is not a weakly prime, because it can be changed into another prime (515364089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257682024 + 257682025.

It is an arithmetic number, because the mean of its divisors is an integer number (257682025).

Almost surely, 2^515364049 is an apocalyptic number.

It is an amenable number.

515364049 is a deficient number, since it is larger than the sum of its proper divisors (1).

515364049 is an equidigital number, since it uses as much as digits as its factorization.

515364049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 515364049 is about 22701.6309766501. The cubic root of 515364049 is about 801.7482854435.

The spelling of 515364049 in words is "five hundred fifteen million, three hundred sixty-four thousand, forty-nine".