966224657 has 2 divisors, whose sum is σ = 966224658. Its totient is φ = 966224656.

The previous prime is 966224627. The next prime is 966224669. The reversal of 966224657 is 756422669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 912583681 + 53640976 = 30209^2 + 7324^2 .

It is an emirp because it is prime and its reverse (756422669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 966224657 - 2⁶ = 966224593 is a prime.

It is not a weakly prime, because it can be changed into another prime (966224627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483112328 + 483112329.

It is an arithmetic number, because the mean of its divisors is an integer number (483112329).

Almost surely, 2^966224657 is an apocalyptic number.

It is an amenable number.

966224657 is a deficient number, since it is larger than the sum of its proper divisors (1).

966224657 is an equidigital number, since it uses as much as digits as its factorization.

966224657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The square root of 966224657 is about 31084.1544359823. The cubic root of 966224657 is about 988.6123663764.

The spelling of 966224657 in words is "nine hundred sixty-six million, two hundred twenty-four thousand, six hundred fifty-seven".