966197249 has 2 divisors, whose sum is σ = 966197250. Its totient is φ = 966197248.

The previous prime is 966197213. The next prime is 966197251. The reversal of 966197249 is 942791669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548730625 + 417466624 = 23425^2 + 20432^2 .

It is a cyclic number.

It is not a de Polignac number, because 966197249 - 2¹² = 966193153 is a prime.

Together with 966197251, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 966197249.

It is not a weakly prime, because it can be changed into another prime (966197269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483098624 + 483098625.

It is an arithmetic number, because the mean of its divisors is an integer number (483098625).

It is a Proth number, since it is equal to 14743 ⋅ 2¹⁶ + 1 and 14743 < 2¹⁶.

Almost surely, 2^966197249 is an apocalyptic number.

It is an amenable number.

966197249 is a deficient number, since it is larger than the sum of its proper divisors (1).

966197249 is an equidigital number, since it uses as much as digits as its factorization.

966197249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 966197249 is about 31083.7135651453. The cubic root of 966197249 is about 988.6030186042.

The spelling of 966197249 in words is "nine hundred sixty-six million, one hundred ninety-seven thousand, two hundred forty-nine".