616354213 has 2 divisors, whose sum is σ = 616354214. Its totient is φ = 616354212.

The previous prime is 616354157. The next prime is 616354231. The reversal of 616354213 is 312453616.

616354213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (616354231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371024644 + 245329569 = 19262^2 + 15663^2 .

It is a cyclic number.

It is not a de Polignac number, because 616354213 - 2¹³ = 616346021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616354273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308177106 + 308177107.

It is an arithmetic number, because the mean of its divisors is an integer number (308177107).

Almost surely, 2^616354213 is an apocalyptic number.

It is an amenable number.

616354213 is a deficient number, since it is larger than the sum of its proper divisors (1).

616354213 is an equidigital number, since it uses as much as digits as its factorization.

616354213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 616354213 is about 24826.4820907031. The cubic root of 616354213 is about 851.0272300586.

The spelling of 616354213 in words is "six hundred sixteen million, three hundred fifty-four thousand, two hundred thirteen".