616069 has 2 divisors, whose sum is σ = 616070. Its totient is φ = 616068.

The previous prime is 616051. The next prime is 616073. The reversal of 616069 is 960616.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543169 + 72900 = 737^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 616069 - 2⁷ = 615941 is a prime.

It is a super-2 number, since 2×616069² = 759082025522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308034 + 308035.

It is an arithmetic number, because the mean of its divisors is an integer number (308035).

2⁶¹⁶⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

616069 is a deficient number, since it is larger than the sum of its proper divisors (1).

616069 is an equidigital number, since it uses as much as digits as its factorization.

616069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 616069 is about 784.9006306533. The cubic root of 616069 is about 85.0895941116.

Subtracting from 616069 its product of nonzero digits (1944), we obtain a cube (614125 = 85³).

The spelling of 616069 in words is "six hundred sixteen thousand, sixty-nine".