612947 has 2 divisors, whose sum is σ = 612948. Its totient is φ = 612946.

The previous prime is 612929. The next prime is 612967. The reversal of 612947 is 749216.

612947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612947 - 2¹² = 608851 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 (612967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306473 + 306474.

It is an arithmetic number, because the mean of its divisors is an integer number (306474).

2⁶¹²⁹⁴⁷ is an apocalyptic number.

612947 is a deficient number, since it is larger than the sum of its proper divisors (1).

612947 is an equidigital number, since it uses as much as digits as its factorization.

612947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 612947 is about 782.9093178651. The cubic root of 612947 is about 84.9456168855.

The spelling of 612947 in words is "six hundred twelve thousand, nine hundred forty-seven".