612929 has 2 divisors, whose sum is σ = 612930. Its totient is φ = 612928.

The previous prime is 612923. The next prime is 612947. The reversal of 612929 is 929216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452929 + 160000 = 673^2 + 400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612929 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (612923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306464 + 306465.

It is an arithmetic number, because the mean of its divisors is an integer number (306465).

2⁶¹²⁹²⁹ is an apocalyptic number.

It is an amenable number.

612929 is a deficient number, since it is larger than the sum of its proper divisors (1).

612929 is an equidigital number, since it uses as much as digits as its factorization.

612929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 612929 is about 782.8978221965. The cubic root of 612929 is about 84.9447853638.

The spelling of 612929 in words is "six hundred twelve thousand, nine hundred twenty-nine".