616834241 has 2 divisors, whose sum is σ = 616834242. Its totient is φ = 616834240.

The previous prime is 616834237. The next prime is 616834243. The reversal of 616834241 is 142438616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420414016 + 196420225 = 20504^2 + 14015^2 .

It is a cyclic number.

It is not a de Polignac number, because 616834241 - 2² = 616834237 is a prime.

Together with 616834243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (616834243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308417120 + 308417121.

It is an arithmetic number, because the mean of its divisors is an integer number (308417121).

Almost surely, 2^616834241 is an apocalyptic number.

It is an amenable number.

616834241 is a deficient number, since it is larger than the sum of its proper divisors (1).

616834241 is an equidigital number, since it uses as much as digits as its factorization.

616834241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 616834241 is about 24836.1478695872. The cubic root of 616834241 is about 851.2481046158.

The spelling of 616834241 in words is "six hundred sixteen million, eight hundred thirty-four thousand, two hundred forty-one".