616503359 has 2 divisors, whose sum is σ = 616503360. Its totient is φ = 616503358.

The previous prime is 616503337. The next prime is 616503383. The reversal of 616503359 is 953305616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616503359 - 2⁸ = 616503103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616503389) 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, 308251679 + 308251680.

It is an arithmetic number, because the mean of its divisors is an integer number (308251680).

Almost surely, 2^616503359 is an apocalyptic number.

616503359 is a deficient number, since it is larger than the sum of its proper divisors (1).

616503359 is an equidigital number, since it uses as much as digits as its factorization.

616503359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 616503359 is about 24829.4856773152. The cubic root of 616503359 is about 851.0958686585.

The spelling of 616503359 in words is "six hundred sixteen million, five hundred three thousand, three hundred fifty-nine".