865152300251 has 2 divisors, whose sum is σ = 865152300252. Its totient is φ = 865152300250.

The previous prime is 865152300179. The next prime is 865152300253. The reversal of 865152300251 is 152003251568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 865152300251 - 2¹⁴ = 865152283867 is a prime.

Together with 865152300253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (865152300253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432576150125 + 432576150126.

It is an arithmetic number, because the mean of its divisors is an integer number (432576150126).

Almost surely, 2^865152300251 is an apocalyptic number.

865152300251 is a deficient number, since it is larger than the sum of its proper divisors (1).

865152300251 is an equidigital number, since it uses as much as digits as its factorization.

865152300251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 865152300251 in words is "eight hundred sixty-five billion, one hundred fifty-two million, three hundred thousand, two hundred fifty-one".