195277 has 2 divisors, whose sum is σ = 195278. Its totient is φ = 195276.

The previous prime is 195271. The next prime is 195281. The reversal of 195277 is 772591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184041 + 11236 = 429^2 + 106^2 .

It is an emirp because it is prime and its reverse (772591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195277 is a prime.

It is equal to p₁₇₅₉₉ and since 195277 and 17599 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97638 + 97639.

It is an arithmetic number, because the mean of its divisors is an integer number (97639).

2¹⁹⁵²⁷⁷ is an apocalyptic number.

It is an amenable number.

195277 is a deficient number, since it is larger than the sum of its proper divisors (1).

195277 is an equidigital number, since it uses as much as digits as its factorization.

195277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 31.

The square root of 195277 is about 441.9015727512. The cubic root of 195277 is about 58.0163449772.

The spelling of 195277 in words is "one hundred ninety-five thousand, two hundred seventy-seven".