516412049 has 2 divisors, whose sum is σ = 516412050. Its totient is φ = 516412048.

The previous prime is 516412037. The next prime is 516412063. The reversal of 516412049 is 940214615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303456400 + 212955649 = 17420^2 + 14593^2 .

It is a cyclic number.

It is not a de Polignac number, because 516412049 - 2⁴ = 516412033 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (516412249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258206024 + 258206025.

It is an arithmetic number, because the mean of its divisors is an integer number (258206025).

Almost surely, 2^516412049 is an apocalyptic number.

It is an amenable number.

516412049 is a deficient number, since it is larger than the sum of its proper divisors (1).

516412049 is an equidigital number, since it uses as much as digits as its factorization.

516412049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 516412049 is about 22724.7012961667. The cubic root of 516412049 is about 802.2913729342.

The spelling of 516412049 in words is "five hundred sixteen million, four hundred twelve thousand, forty-nine".