612264217 has 2 divisors, whose sum is σ = 612264218. Its totient is φ = 612264216.

The previous prime is 612264203. The next prime is 612264221. The reversal of 612264217 is 712462216.

612264217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420414016 + 191850201 = 20504^2 + 13851^2 .

It is a cyclic number.

It is not a de Polignac number, because 612264217 - 2¹⁹ = 611739929 is a prime.

It is not a weakly prime, because it can be changed into another prime (612264277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306132108 + 306132109.

It is an arithmetic number, because the mean of its divisors is an integer number (306132109).

Almost surely, 2^612264217 is an apocalyptic number.

It is an amenable number.

612264217 is a deficient number, since it is larger than the sum of its proper divisors (1).

612264217 is an equidigital number, since it uses as much as digits as its factorization.

612264217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 612264217 is about 24743.9733470597. The cubic root of 612264217 is about 849.1406387336.

The spelling of 612264217 in words is "six hundred twelve million, two hundred sixty-four thousand, two hundred seventeen".