16395425 has 12 divisors (see below), whose sum is σ = 20542956. Its totient is φ = 12979200.

The previous prime is 16395419. The next prime is 16395439. The reversal of 16395425 is 52459361.

16395425 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 1024 + 16394401 = 32^2 + 4049^2 .

It is not a de Polignac number, because 16395425 - 2⁴ = 16395409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 956 + ... + 5805.

It is an arithmetic number, because the mean of its divisors is an integer number (1711913).

Almost surely, 2^16395425 is an apocalyptic number.

It is an amenable number.

16395425 is a deficient number, since it is larger than the sum of its proper divisors (4147531).

16395425 is an equidigital number, since it uses as much as digits as its factorization.

16395425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868 (or 6863 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 16395425 is about 4049.1264490011. The cubic root of 16395425 is about 254.0431912416.

The spelling of 16395425 in words is "sixteen million, three hundred ninety-five thousand, four hundred twenty-five".