195934253 has 4 divisors (see below), whose sum is σ = 197107680. Its totient is φ = 194760828.

The previous prime is 195934247. The next prime is 195934303. The reversal of 195934253 is 352439591.

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 195934253 - 2¹² = 195930157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195934253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195933253) 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, 586463 + ... + 586796.

It is an arithmetic number, because the mean of its divisors is an integer number (49276920).

Almost surely, 2^195934253 is an apocalyptic number.

It is an amenable number.

195934253 is a deficient number, since it is larger than the sum of its proper divisors (1173427).

195934253 is a wasteful number, since it uses less digits than its factorization.

195934253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173426.

The product of its digits is 145800, while the sum is 41.

The square root of 195934253 is about 13997.6516959096. The cubic root of 195934253 is about 580.8136153722.

The spelling of 195934253 in words is "one hundred ninety-five million, nine hundred thirty-four thousand, two hundred fifty-three".