6195 has 16 divisors (see below), whose sum is σ = 11520. Its totient is φ = 2784.

The previous prime is 6173. The next prime is 6197. The reversal of 6195 is 5916.

It is not a de Polignac number, because 6195 - 2⁵ = 6163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

6195 is a lucky number.

It is a nialpdrome in base 3 and base 9.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76 + ... + 134.

It is an arithmetic number, because the mean of its divisors is an integer number (720).

2⁶¹⁹⁵ is an apocalyptic number.

6195 is a deficient number, since it is larger than the sum of its proper divisors (5325).

6195 is a wasteful number, since it uses less digits than its factorization.

6195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74.

The product of its digits is 270, while the sum is 21.

The square root of 6195 is about 78.7083223046. The cubic root of 6195 is about 18.3659657566.

Adding to 6195 its sum of digits (21), we get a triangular number (6216 = T₁₁₁).

The spelling of 6195 in words is "six thousand, one hundred ninety-five".