616254413 has 2 divisors, whose sum is σ = 616254414. Its totient is φ = 616254412.

The previous prime is 616254383. The next prime is 616254449. The reversal of 616254413 is 314452616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607031044 + 9223369 = 24638^2 + 3037^2 .

It is a cyclic number.

It is not a de Polignac number, because 616254413 - 2⁶ = 616254349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616254413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616254013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308127206 + 308127207.

It is an arithmetic number, because the mean of its divisors is an integer number (308127207).

Almost surely, 2^616254413 is an apocalyptic number.

It is an amenable number.

616254413 is a deficient number, since it is larger than the sum of its proper divisors (1).

616254413 is an equidigital number, since it uses as much as digits as its factorization.

616254413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 616254413 is about 24824.4720588374. The cubic root of 616254413 is about 850.9812948370.

The spelling of 616254413 in words is "six hundred sixteen million, two hundred fifty-four thousand, four hundred thirteen".