612977 has 2 divisors, whose sum is σ = 612978. Its totient is φ = 612976.

The previous prime is 612971. The next prime is 613007. The reversal of 612977 is 779216.

612977 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 can be written as a sum of positive squares in only one way, i.e., 579121 + 33856 = 761^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 612977 - 2¹⁰ = 611953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (612971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306488 + 306489.

It is an arithmetic number, because the mean of its divisors is an integer number (306489).

2⁶¹²⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

612977 is a deficient number, since it is larger than the sum of its proper divisors (1).

612977 is an equidigital number, since it uses as much as digits as its factorization.

612977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 32.

The square root of 612977 is about 782.9284769377. The cubic root of 612977 is about 84.9470027187.

The spelling of 612977 in words is "six hundred twelve thousand, nine hundred seventy-seven".