616230029 has 2 divisors, whose sum is σ = 616230030. Its totient is φ = 616230028.

The previous prime is 616229969. The next prime is 616230031. The reversal of 616230029 is 920032616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337273225 + 278956804 = 18365^2 + 16702^2 .

It is a cyclic number.

It is not a de Polignac number, because 616230029 - 2¹² = 616225933 is a prime.

It is a Sophie Germain prime.

Together with 616230031, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 616229983 and 616230010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616230529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308115014 + 308115015.

It is an arithmetic number, because the mean of its divisors is an integer number (308115015).

Almost surely, 2^616230029 is an apocalyptic number.

It is an amenable number.

616230029 is a deficient number, since it is larger than the sum of its proper divisors (1).

616230029 is an equidigital number, since it uses as much as digits as its factorization.

616230029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 616230029 is about 24823.9809257097. The cubic root of 616230029 is about 850.9700707921.

The spelling of 616230029 in words is "six hundred sixteen million, two hundred thirty thousand, twenty-nine".