195403 has 4 divisors (see below), whose sum is σ = 210448. Its totient is φ = 180360.

The previous prime is 195401. The next prime is 195407. The reversal of 195403 is 304591.

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

It is a cyclic number.

It is not a de Polignac number, because 195403 - 2¹ = 195401 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (195401) 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, 7503 + ... + 7528.

It is an arithmetic number, because the mean of its divisors is an integer number (52612).

2¹⁹⁵⁴⁰³ is an apocalyptic number.

195403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

195403 is a deficient number, since it is larger than the sum of its proper divisors (15045).

195403 is a wasteful number, since it uses less digits than its factorization.

195403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15044.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 195403 is about 442.0441154455. The cubic root of 195403 is about 58.0288203972.

Adding to 195403 its reverse (304591), we get a palindrome (499994).

The spelling of 195403 in words is "one hundred ninety-five thousand, four hundred three".