395122825 has 18 divisors (see below), whose sum is σ = 507456794. Its totient is φ = 305182080.

The previous prime is 395122817. The next prime is 395122837. The reversal of 395122825 is 528221593.

It can be written as a sum of positive squares in 9 ways, for example, as 57335184 + 337787641 = 7572^2 + 18379^2 .

It is not a de Polignac number, because 395122825 - 2³ = 395122817 is a prime.

It is a super-2 number, since 2×395122825² = 312244093671961250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11629 + ... + 30421.

Almost surely, 2^395122825 is an apocalyptic number.

It is an amenable number.

395122825 is a deficient number, since it is larger than the sum of its proper divisors (112333969).

395122825 is a wasteful number, since it uses less digits than its factorization.

395122825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18861 (or 18827 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 395122825 is about 19877.6966724015. The cubic root of 395122825 is about 733.7994345178.

The spelling of 395122825 in words is "three hundred ninety-five million, one hundred twenty-two thousand, eight hundred twenty-five".