966378251 has 2 divisors, whose sum is σ = 966378252. Its totient is φ = 966378250.

The previous prime is 966378229. The next prime is 966378253. The reversal of 966378251 is 152873669.

966378251 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 a de Polignac number, because none of the positive numbers 2^k-966378251 is a prime.

Together with 966378253, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 966378196 and 966378205.

It is not a weakly prime, because it can be changed into another prime (966378253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483189125 + 483189126.

It is an arithmetic number, because the mean of its divisors is an integer number (483189126).

Almost surely, 2^966378251 is an apocalyptic number.

966378251 is a deficient number, since it is larger than the sum of its proper divisors (1).

966378251 is an equidigital number, since it uses as much as digits as its factorization.

966378251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 966378251 is about 31086.6249535069. The cubic root of 966378251 is about 988.6647478736.

The spelling of 966378251 in words is "nine hundred sixty-six million, three hundred seventy-eight thousand, two hundred fifty-one".