8195287 has 2 divisors, whose sum is σ = 8195288. Its totient is φ = 8195286.

The previous prime is 8195273. The next prime is 8195293. The reversal of 8195287 is 7825918.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8195287 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8195227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097643 + 4097644.

It is an arithmetic number, because the mean of its divisors is an integer number (4097644).

Almost surely, 2^8195287 is an apocalyptic number.

8195287 is a deficient number, since it is larger than the sum of its proper divisors (1).

8195287 is an equidigital number, since it uses as much as digits as its factorization.

8195287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 40.

The square root of 8195287 is about 2862.7411688799. The cubic root of 8195287 is about 201.6143263602.

The spelling of 8195287 in words is "eight million, one hundred ninety-five thousand, two hundred eighty-seven".