195492901 has 4 divisors (see below), whose sum is σ = 198806400. Its totient is φ = 192179404.

The previous prime is 195492889. The next prime is 195492907. The reversal of 195492901 is 109294591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 195492901 - 2⁹ = 195492389 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195492907) 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, 1656661 + ... + 1656778.

It is an arithmetic number, because the mean of its divisors is an integer number (49701600).

Almost surely, 2^195492901 is an apocalyptic number.

It is an amenable number.

195492901 is a deficient number, since it is larger than the sum of its proper divisors (3313499).

195492901 is an equidigital number, since it uses as much as digits as its factorization.

195492901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313498.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 195492901 is about 13981.8775920833. The cubic root of 195492901 is about 580.3771833148.

The spelling of 195492901 in words is "one hundred ninety-five million, four hundred ninety-two thousand, nine hundred one".