195288285 has 24 divisors (see below), whose sum is σ = 326650464. Its totient is φ = 99621280.

The previous prime is 195288277. The next prime is 195288287. The reversal of 195288285 is 582882591.

It is not a de Polignac number, because 195288285 - 2³ = 195288277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195288287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4371 + ... + 20240.

It is an arithmetic number, because the mean of its divisors is an integer number (13610436).

Almost surely, 2^195288285 is an apocalyptic number.

195288285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195288285 is a deficient number, since it is larger than the sum of its proper divisors (131362179).

195288285 is a wasteful number, since it uses less digits than its factorization.

195288285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24665 (or 24642 counting only the distinct ones).

The product of its digits is 460800, while the sum is 48.

The square root of 195288285 is about 13974.5584903424. The cubic root of 195288285 is about 580.1746253816.

The spelling of 195288285 in words is "one hundred ninety-five million, two hundred eighty-eight thousand, two hundred eighty-five".