195288601 has 4 divisors (see below), whose sum is σ = 195993892. Its totient is φ = 194583312.

The previous prime is 195288563. The next prime is 195288641. The reversal of 195288601 is 106882591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46936201 + 148352400 = 6851^2 + 12180^2 .

It is a cyclic number.

It is not a de Polignac number, because 195288601 - 2¹³ = 195280409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195288641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352230 + ... + 352783.

It is an arithmetic number, because the mean of its divisors is an integer number (48998473).

Almost surely, 2^195288601 is an apocalyptic number.

It is an amenable number.

195288601 is a deficient number, since it is larger than the sum of its proper divisors (705291).

195288601 is an equidigital number, since it uses as much as digits as its factorization.

195288601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705290.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 195288601 is about 13974.5697965984. The cubic root of 195288601 is about 580.1749383122.

The spelling of 195288601 in words is "one hundred ninety-five million, two hundred eighty-eight thousand, six hundred one".