516275537 has 2 divisors, whose sum is σ = 516275538. Its totient is φ = 516275536.

The previous prime is 516275527. The next prime is 516275569. The reversal of 516275537 is 735572615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509675776 + 6599761 = 22576^2 + 2569^2 .

It is a cyclic number.

It is not a de Polignac number, because 516275537 - 2⁸ = 516275281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516275494 and 516275503.

It is not a weakly prime, because it can be changed into another prime (516275527) 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, 258137768 + 258137769.

It is an arithmetic number, because the mean of its divisors is an integer number (258137769).

Almost surely, 2^516275537 is an apocalyptic number.

It is an amenable number.

516275537 is a deficient number, since it is larger than the sum of its proper divisors (1).

516275537 is an equidigital number, since it uses as much as digits as its factorization.

516275537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220500, while the sum is 41.

The square root of 516275537 is about 22721.6974938053. The cubic root of 516275537 is about 802.2206722523.

The spelling of 516275537 in words is "five hundred sixteen million, two hundred seventy-five thousand, five hundred thirty-seven".