516924949 has 2 divisors, whose sum is σ = 516924950. Its totient is φ = 516924948.

The previous prime is 516924937. The next prime is 516925027. The reversal of 516924949 is 949429615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382202500 + 134722449 = 19550^2 + 11607^2 .

It is a cyclic number.

It is not a de Polignac number, because 516924949 - 2⁹ = 516924437 is a prime.

It is a super-2 number, since 2×516924949² = 534422805797305202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516924649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258462474 + 258462475.

It is an arithmetic number, because the mean of its divisors is an integer number (258462475).

Almost surely, 2^516924949 is an apocalyptic number.

It is an amenable number.

516924949 is a deficient number, since it is larger than the sum of its proper divisors (1).

516924949 is an equidigital number, since it uses as much as digits as its factorization.

516924949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The square root of 516924949 is about 22735.9835723023. The cubic root of 516924949 is about 802.5568967466.

The spelling of 516924949 in words is "five hundred sixteen million, nine hundred twenty-four thousand, nine hundred forty-nine".