966397253 has 2 divisors, whose sum is σ = 966397254. Its totient is φ = 966397252.

The previous prime is 966397241. The next prime is 966397261. The reversal of 966397253 is 352793669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776012449 + 190384804 = 27857^2 + 13798^2 .

It is an emirp because it is prime and its reverse (352793669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 966397253 - 2²⁴ = 949620037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966397273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483198626 + 483198627.

It is an arithmetic number, because the mean of its divisors is an integer number (483198627).

Almost surely, 2^966397253 is an apocalyptic number.

It is an amenable number.

966397253 is a deficient number, since it is larger than the sum of its proper divisors (1).

966397253 is an equidigital number, since it uses as much as digits as its factorization.

966397253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 50.

The square root of 966397253 is about 31086.9305818378. The cubic root of 966397253 is about 988.6712279051.

The spelling of 966397253 in words is "nine hundred sixty-six million, three hundred ninety-seven thousand, two hundred fifty-three".