516291053 has 2 divisors, whose sum is σ = 516291054. Its totient is φ = 516291052.

The previous prime is 516291001. The next prime is 516291059. The reversal of 516291053 is 350192615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413430889 + 102860164 = 20333^2 + 10142^2 .

It is a cyclic number.

It is not a de Polignac number, because 516291053 - 2⁶ = 516290989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516291059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258145526 + 258145527.

It is an arithmetic number, because the mean of its divisors is an integer number (258145527).

Almost surely, 2^516291053 is an apocalyptic number.

It is an amenable number.

516291053 is a deficient number, since it is larger than the sum of its proper divisors (1).

516291053 is an equidigital number, since it uses as much as digits as its factorization.

516291053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 516291053 is about 22722.0389269977. The cubic root of 516291053 is about 802.2287087434.

The spelling of 516291053 in words is "five hundred sixteen million, two hundred ninety-one thousand, fifty-three".