616752319 has 2 divisors, whose sum is σ = 616752320. Its totient is φ = 616752318.

The previous prime is 616752317. The next prime is 616752373. The reversal of 616752319 is 913257616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616752319 - 2¹ = 616752317 is a prime.

It is a super-2 number, since 2×616752319² = 760766845983755522, which contains 22 as substring.

Together with 616752317, 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 (616752317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308376159 + 308376160.

It is an arithmetic number, because the mean of its divisors is an integer number (308376160).

Almost surely, 2^616752319 is an apocalyptic number.

616752319 is a deficient number, since it is larger than the sum of its proper divisors (1).

616752319 is an equidigital number, since it uses as much as digits as its factorization.

616752319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 616752319 is about 24834.4985655036. The cubic root of 616752319 is about 851.2104180813.

The spelling of 616752319 in words is "six hundred sixteen million, seven hundred fifty-two thousand, three hundred nineteen".