965213251 has 2 divisors, whose sum is σ = 965213252. Its totient is φ = 965213250.

The previous prime is 965213153. The next prime is 965213257. The reversal of 965213251 is 152312569.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 965213251 - 2¹⁷ = 965082179 is a prime.

It is not a weakly prime, because it can be changed into another prime (965213257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482606625 + 482606626.

It is an arithmetic number, because the mean of its divisors is an integer number (482606626).

Almost surely, 2^965213251 is an apocalyptic number.

965213251 is a deficient number, since it is larger than the sum of its proper divisors (1).

965213251 is an equidigital number, since it uses as much as digits as its factorization.

965213251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 965213251 is about 31067.8813407030. The cubic root of 965213251 is about 988.2672990893.

The spelling of 965213251 in words is "nine hundred sixty-five million, two hundred thirteen thousand, two hundred fifty-one".