195011025 has 24 divisors (see below), whose sum is σ = 351730464. Its totient is φ = 94550400.

The previous prime is 195011017. The next prime is 195011059. The reversal of 195011025 is 520110591.

It is not a de Polignac number, because 195011025 - 2³ = 195011017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 195010986 and 195011004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117364 + ... + 119013.

It is an arithmetic number, because the mean of its divisors is an integer number (14655436).

Almost surely, 2^195011025 is an apocalyptic number.

195011025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195011025 is a deficient number, since it is larger than the sum of its proper divisors (156719439).

195011025 is a wasteful number, since it uses less digits than its factorization.

195011025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236401 (or 236396 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 195011025 is about 13964.6347965137. The cubic root of 195011025 is about 579.8999282362.

The spelling of 195011025 in words is "one hundred ninety-five million, eleven thousand, twenty-five".