195533207 has 4 divisors (see below), whose sum is σ = 199693536. Its totient is φ = 191372880.

The previous prime is 195533153. The next prime is 195533209. The reversal of 195533207 is 702335591.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702335591 = 37 ⋅18982043.

It is a cyclic number.

It is not a de Polignac number, because 195533207 - 2⁸ = 195532951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195533209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080094 + ... + 2080187.

It is an arithmetic number, because the mean of its divisors is an integer number (49923384).

Almost surely, 2^195533207 is an apocalyptic number.

195533207 is a deficient number, since it is larger than the sum of its proper divisors (4160329).

195533207 is an equidigital number, since it uses as much as digits as its factorization.

195533207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160328.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 195533207 is about 13983.3188835841. The cubic root of 195533207 is about 580.4170672444.

Adding to 195533207 its reverse (702335591), we get a palindrome (897868798).

The spelling of 195533207 in words is "one hundred ninety-five million, five hundred thirty-three thousand, two hundred seven".