516207049 has 2 divisors, whose sum is σ = 516207050. Its totient is φ = 516207048.

The previous prime is 516207037. The next prime is 516207053. The reversal of 516207049 is 940702615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516198400 + 8649 = 22720^2 + 93^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516207049 is a prime.

It is not a weakly prime, because it can be changed into another prime (516207649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258103524 + 258103525.

It is an arithmetic number, because the mean of its divisors is an integer number (258103525).

Almost surely, 2^516207049 is an apocalyptic number.

It is an amenable number.

516207049 is a deficient number, since it is larger than the sum of its proper divisors (1).

516207049 is an equidigital number, since it uses as much as digits as its factorization.

516207049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 516207049 is about 22720.1903381112. The cubic root of 516207049 is about 802.1851970618.

The spelling of 516207049 in words is "five hundred sixteen million, two hundred seven thousand, forty-nine".