616436417 has 2 divisors, whose sum is σ = 616436418. Its totient is φ = 616436416.

The previous prime is 616436411. The next prime is 616436423. The reversal of 616436417 is 714634616.

It is a balanced prime because it is at equal distance from previous prime (616436411) and next prime (616436423).

It can be written as a sum of positive squares in only one way, i.e., 411116176 + 205320241 = 20276^2 + 14329^2 .

It is a cyclic number.

It is not a de Polignac number, because 616436417 - 2²⁰ = 615387841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (616436411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308218208 + 308218209.

It is an arithmetic number, because the mean of its divisors is an integer number (308218209).

Almost surely, 2^616436417 is an apocalyptic number.

It is an amenable number.

616436417 is a deficient number, since it is larger than the sum of its proper divisors (1).

616436417 is an equidigital number, since it uses as much as digits as its factorization.

616436417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 616436417 is about 24828.1376063530. The cubic root of 616436417 is about 851.0650625966.

The spelling of 616436417 in words is "six hundred sixteen million, four hundred thirty-six thousand, four hundred seventeen".