4195625 has 30 divisors (see below), whose sum is σ = 6143346. Its totient is φ = 2856000.

The previous prime is 4195621. The next prime is 4195649. The reversal of 4195625 is 5265914.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 1466521 + 2729104 = 1211^2 + 1652^2 .

It is not a de Polignac number, because 4195625 - 2² = 4195621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4195591 and 4195600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4195621) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 30557 + ... + 30693.

Almost surely, 2^4195625 is an apocalyptic number.

It is an amenable number.

4195625 is a deficient number, since it is larger than the sum of its proper divisors (1947721).

4195625 is an equidigital number, since it uses as much as digits as its factorization.

4195625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 149 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 4195625 is about 2048.3224843759. The cubic root of 4195625 is about 161.2868233112.

The spelling of 4195625 in words is "four million, one hundred ninety-five thousand, six hundred twenty-five".