516652291 has 2 divisors, whose sum is σ = 516652292. Its totient is φ = 516652290.

The previous prime is 516652277. The next prime is 516652333. The reversal of 516652291 is 192256615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516652291 - 2⁵ = 516652259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 516652291.

It is not a weakly prime, because it can be changed into another prime (516652211) 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, 258326145 + 258326146.

It is an arithmetic number, because the mean of its divisors is an integer number (258326146).

Almost surely, 2^516652291 is an apocalyptic number.

516652291 is a deficient number, since it is larger than the sum of its proper divisors (1).

516652291 is an equidigital number, since it uses as much as digits as its factorization.

516652291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The square root of 516652291 is about 22729.9866036036. The cubic root of 516652291 is about 802.4157659798.

It can be divided in two parts, 51665 and 2291, that added together give a triangular number (53956 = T₃₂₈).

The spelling of 516652291 in words is "five hundred sixteen million, six hundred fifty-two thousand, two hundred ninety-one".