616044241 has 2 divisors, whose sum is σ = 616044242. Its totient is φ = 616044240.

The previous prime is 616044223. The next prime is 616044257. The reversal of 616044241 is 142440616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309619216 + 306425025 = 17596^2 + 17505^2 .

It is a cyclic number.

It is not a de Polignac number, because 616044241 - 2²⁹ = 79173329 is a prime.

It is a Chen prime.

It is equal to p_32118238 and since 616044241 and 32118238 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (616044211) 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, 308022120 + 308022121.

It is an arithmetic number, because the mean of its divisors is an integer number (308022121).

Almost surely, 2^616044241 is an apocalyptic number.

It is an amenable number.

616044241 is a deficient number, since it is larger than the sum of its proper divisors (1).

616044241 is an equidigital number, since it uses as much as digits as its factorization.

616044241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 616044241 is about 24820.2385363235. The cubic root of 616044241 is about 850.8845421684.

Adding to 616044241 its reverse (142440616), we get a palindrome (758484857).

The spelling of 616044241 in words is "six hundred sixteen million, forty-four thousand, two hundred forty-one".