195425399 has 16 divisors (see below), whose sum is σ = 216084960. Its totient is φ = 175633920.

The previous prime is 195425383. The next prime is 195425401. The reversal of 195425399 is 993524591.

It is a cyclic number.

It is not a de Polignac number, because 195425399 - 2⁴ = 195425383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195425339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76259 + ... + 78779.

It is an arithmetic number, because the mean of its divisors is an integer number (13505310).

Almost surely, 2^195425399 is an apocalyptic number.

195425399 is a deficient number, since it is larger than the sum of its proper divisors (20659561).

195425399 is a wasteful number, since it uses less digits than its factorization.

195425399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its digits is 437400, while the sum is 47.

The square root of 195425399 is about 13979.4634732525. The cubic root of 195425399 is about 580.3103758921.

The spelling of 195425399 in words is "one hundred ninety-five million, four hundred twenty-five thousand, three hundred ninety-nine".