612047347 has 2 divisors, whose sum is σ = 612047348. Its totient is φ = 612047346.

The previous prime is 612047287. The next prime is 612047389. The reversal of 612047347 is 743740216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612047347 - 2¹¹ = 612045299 is a prime.

It is not a weakly prime, because it can be changed into another prime (612047147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306023673 + 306023674.

It is an arithmetic number, because the mean of its divisors is an integer number (306023674).

Almost surely, 2^612047347 is an apocalyptic number.

612047347 is a deficient number, since it is larger than the sum of its proper divisors (1).

612047347 is an equidigital number, since it uses as much as digits as its factorization.

612047347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 612047347 is about 24739.5906797182. The cubic root of 612047347 is about 849.0403689087.

The spelling of 612047347 in words is "six hundred twelve million, forty-seven thousand, three hundred forty-seven".