195281602 has 4 divisors (see below), whose sum is σ = 292922406. Its totient is φ = 97640800.

The previous prime is 195281591. The next prime is 195281623. The reversal of 195281602 is 206182591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 206182591 = 997 ⋅206803.

It can be written as a sum of positive squares in only one way, i.e., 110439081 + 84842521 = 10509^2 + 9211^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48820399 + ... + 48820402.

Almost surely, 2^195281602 is an apocalyptic number.

195281602 is a deficient number, since it is larger than the sum of its proper divisors (97640804).

195281602 is an equidigital number, since it uses as much as digits as its factorization.

195281602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97640803.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 195281602 is about 13974.3193751968. The cubic root of 195281602 is about 580.1680072149.

The spelling of 195281602 in words is "one hundred ninety-five million, two hundred eighty-one thousand, six hundred two".