916516537 has 2 divisors, whose sum is σ = 916516538. Its totient is φ = 916516536.

The previous prime is 916516511. The next prime is 916516553. The reversal of 916516537 is 735615619.

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., 915909696 + 606841 = 30264^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 916516537 - 2⁷ = 916516409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 916516493 and 916516502.

It is not a weakly prime, because it can be changed into another prime (916516567) 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, 458258268 + 458258269.

It is an arithmetic number, because the mean of its divisors is an integer number (458258269).

Almost surely, 2^916516537 is an apocalyptic number.

It is an amenable number.

916516537 is a deficient number, since it is larger than the sum of its proper divisors (1).

916516537 is an equidigital number, since it uses as much as digits as its factorization.

916516537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 43.

The square root of 916516537 is about 30274.0241296066. The cubic root of 916516537 is about 971.3597456912.

The spelling of 916516537 in words is "nine hundred sixteen million, five hundred sixteen thousand, five hundred thirty-seven".