616683539 has 2 divisors, whose sum is σ = 616683540. Its totient is φ = 616683538.

The previous prime is 616683503. The next prime is 616683623. The reversal of 616683539 is 935386616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616683539 - 2¹⁶ = 616618003 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 616683493 and 616683502.

It is not a weakly prime, because it can be changed into another prime (616683139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308341769 + 308341770.

It is an arithmetic number, because the mean of its divisors is an integer number (308341770).

Almost surely, 2^616683539 is an apocalyptic number.

616683539 is a deficient number, since it is larger than the sum of its proper divisors (1).

616683539 is an equidigital number, since it uses as much as digits as its factorization.

616683539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 47.

The square root of 616683539 is about 24833.1137596557. The cubic root of 616683539 is about 851.1787746769.

The spelling of 616683539 in words is "six hundred sixteen million, six hundred eighty-three thousand, five hundred thirty-nine".