195152767 has 2 divisors, whose sum is σ = 195152768. Its totient is φ = 195152766.

The previous prime is 195152753. The next prime is 195152849. The reversal of 195152767 is 767251591.

It is a weak prime.

It is an emirp because it is prime and its reverse (767251591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195152767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195152717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97576383 + 97576384.

It is an arithmetic number, because the mean of its divisors is an integer number (97576384).

Almost surely, 2^195152767 is an apocalyptic number.

195152767 is a deficient number, since it is larger than the sum of its proper divisors (1).

195152767 is an equidigital number, since it uses as much as digits as its factorization.

195152767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 43.

The square root of 195152767 is about 13969.7089089215. The cubic root of 195152767 is about 580.0403925496.

The spelling of 195152767 in words is "one hundred ninety-five million, one hundred fifty-two thousand, seven hundred sixty-seven".