195501825 has 36 divisors (see below), whose sum is σ = 351398268. Its totient is φ = 103900800.

The previous prime is 195501809. The next prime is 195501827. The reversal of 195501825 is 528105591.

It is a happy number.

195501825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 48316401 + 147185424 = 6951^2 + 12132^2 .

It is not a de Polignac number, because 195501825 - 2⁴ = 195501809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195501825.

It is not an unprimeable number, because it can be changed into a prime (195501827) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69955 + ... + 72695.

It is an arithmetic number, because the mean of its divisors is an integer number (9761063).

Almost surely, 2^195501825 is an apocalyptic number.

195501825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195501825 is a deficient number, since it is larger than the sum of its proper divisors (155896443).

195501825 is a wasteful number, since it uses less digits than its factorization.

195501825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The square root of 195501825 is about 13982.1967158240. The cubic root of 195501825 is about 580.3860143383.

The spelling of 195501825 in words is "one hundred ninety-five million, five hundred one thousand, eight hundred twenty-five".