516505151 has 2 divisors, whose sum is σ = 516505152. Its totient is φ = 516505150.

The previous prime is 516505079. The next prime is 516505153. The reversal of 516505151 is 151505615.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516505151 is a prime.

Together with 516505153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516505153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258252575 + 258252576.

It is an arithmetic number, because the mean of its divisors is an integer number (258252576).

Almost surely, 2^516505151 is an apocalyptic number.

516505151 is a deficient number, since it is larger than the sum of its proper divisors (1).

516505151 is an equidigital number, since it uses as much as digits as its factorization.

516505151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 516505151 is about 22726.7496796176. The cubic root of 516505151 is about 802.3395840756.

The spelling of 516505151 in words is "five hundred sixteen million, five hundred five thousand, one hundred fifty-one".