515016053 has 2 divisors, whose sum is σ = 515016054. Its totient is φ = 515016052.

The previous prime is 515016043. The next prime is 515016091. The reversal of 515016053 is 350610515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321054724 + 193961329 = 17918^2 + 13927^2 .

It is a cyclic number.

It is not a de Polignac number, because 515016053 - 2⁸ = 515015797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515016043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257508026 + 257508027.

It is an arithmetic number, because the mean of its divisors is an integer number (257508027).

Almost surely, 2^515016053 is an apocalyptic number.

It is an amenable number.

515016053 is a deficient number, since it is larger than the sum of its proper divisors (1).

515016053 is an equidigital number, since it uses as much as digits as its factorization.

515016053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 515016053 is about 22693.9651229132. The cubic root of 515016053 is about 801.5677864874.

Adding to 515016053 its reverse (350610515), we get a palindrome (865626568).

The spelling of 515016053 in words is "five hundred fifteen million, sixteen thousand, fifty-three".