516976249 has 2 divisors, whose sum is σ = 516976250. Its totient is φ = 516976248.

The previous prime is 516976241. The next prime is 516976253. The reversal of 516976249 is 942679615.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380250000 + 136726249 = 19500^2 + 11693^2 .

It is a cyclic number.

It is not a de Polignac number, because 516976249 - 2³ = 516976241 is a prime.

It is a super-2 number, since 2×516976249² = 534528884060220002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (516976241) 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, 258488124 + 258488125.

It is an arithmetic number, because the mean of its divisors is an integer number (258488125).

Almost surely, 2^516976249 is an apocalyptic number.

It is an amenable number.

516976249 is a deficient number, since it is larger than the sum of its proper divisors (1).

516976249 is an equidigital number, since it uses as much as digits as its factorization.

516976249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 516976249 is about 22737.1117119128. Note that the first 3 decimals coincide. The cubic root of 516976249 is about 802.5834446410.

It can be divided in two parts, 5169 and 76249, that added together give a palindrome (81418).

The spelling of 516976249 in words is "five hundred sixteen million, nine hundred seventy-six thousand, two hundred forty-nine".