616522937 has 2 divisors, whose sum is σ = 616522938. Its totient is φ = 616522936.

The previous prime is 616522903. The next prime is 616522957. The reversal of 616522937 is 739225616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616082041 + 440896 = 24821^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 616522937 - 2¹⁸ = 616260793 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 616522894 and 616522903.

It is not a weakly prime, because it can be changed into another prime (616522957) 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, 308261468 + 308261469.

It is an arithmetic number, because the mean of its divisors is an integer number (308261469).

Almost surely, 2^616522937 is an apocalyptic number.

It is an amenable number.

616522937 is a deficient number, since it is larger than the sum of its proper divisors (1).

616522937 is an equidigital number, since it uses as much as digits as its factorization.

616522937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 616522937 is about 24829.8799231893. The cubic root of 616522937 is about 851.1048778435.

The spelling of 616522937 in words is "six hundred sixteen million, five hundred twenty-two thousand, nine hundred thirty-seven".