616500347 has 2 divisors, whose sum is σ = 616500348. Its totient is φ = 616500346.

The previous prime is 616500329. The next prime is 616500389. The reversal of 616500347 is 743005616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616500347 - 2¹⁴ = 616483963 is a prime.

It is a super-2 number, since 2×616500347² = 760145355702240818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (616500397) 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, 308250173 + 308250174.

It is an arithmetic number, because the mean of its divisors is an integer number (308250174).

Almost surely, 2^616500347 is an apocalyptic number.

616500347 is a deficient number, since it is larger than the sum of its proper divisors (1).

616500347 is an equidigital number, since it uses as much as digits as its factorization.

616500347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 616500347 is about 24829.4250235482. The cubic root of 616500347 is about 851.0944826131.

The spelling of 616500347 in words is "six hundred sixteen million, five hundred thousand, three hundred forty-seven".