515253049 has 2 divisors, whose sum is σ = 515253050. Its totient is φ = 515253048.

The previous prime is 515253029. The next prime is 515253131. The reversal of 515253049 is 940352515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398721024 + 116532025 = 19968^2 + 10795^2 .

It is a cyclic number.

It is not a de Polignac number, because 515253049 - 2⁹ = 515252537 is a prime.

It is not a weakly prime, because it can be changed into another prime (515253029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257626524 + 257626525.

It is an arithmetic number, because the mean of its divisors is an integer number (257626525).

Almost surely, 2^515253049 is an apocalyptic number.

It is an amenable number.

515253049 is a deficient number, since it is larger than the sum of its proper divisors (1).

515253049 is an equidigital number, since it uses as much as digits as its factorization.

515253049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 515253049 is about 22699.1860867301. The cubic root of 515253049 is about 801.6907206665.

The spelling of 515253049 in words is "five hundred fifteen million, two hundred fifty-three thousand, forty-nine".