611064247 has 2 divisors, whose sum is σ = 611064248. Its totient is φ = 611064246.

The previous prime is 611064227. The next prime is 611064257. The reversal of 611064247 is 742460116.

611064247 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 is a cyclic number.

It is not a de Polignac number, because 611064247 - 2²³ = 602675639 is a prime.

It is equal to p_31872055 and since 611064247 and 31872055 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611064227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305532123 + 305532124.

It is an arithmetic number, because the mean of its divisors is an integer number (305532124).

Almost surely, 2^611064247 is an apocalyptic number.

611064247 is a deficient number, since it is larger than the sum of its proper divisors (1).

611064247 is an equidigital number, since it uses as much as digits as its factorization.

611064247 is an odious number, because the sum of its binary digits is odd.

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

The square root of 611064247 is about 24719.7137321612. The cubic root of 611064247 is about 848.5855354184.

The spelling of 611064247 in words is "six hundred eleven million, sixty-four thousand, two hundred forty-seven".