616334417 has 2 divisors, whose sum is σ = 616334418. Its totient is φ = 616334416.

The previous prime is 616334393. The next prime is 616334449. The reversal of 616334417 is 714433616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536339281 + 79995136 = 23159^2 + 8944^2 .

It is a cyclic number.

It is not a de Polignac number, because 616334417 - 2⁶ = 616334353 is a prime.

It is a super-2 number, since 2×616334417² = 759736227157459778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (616334497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308167208 + 308167209.

It is an arithmetic number, because the mean of its divisors is an integer number (308167209).

Almost surely, 2^616334417 is an apocalyptic number.

It is an amenable number.

616334417 is a deficient number, since it is larger than the sum of its proper divisors (1).

616334417 is an equidigital number, since it uses as much as digits as its factorization.

616334417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 616334417 is about 24826.0834003272. The cubic root of 616334417 is about 851.0181188933.

The spelling of 616334417 in words is "six hundred sixteen million, three hundred thirty-four thousand, four hundred seventeen".