4040325 has 18 divisors (see below), whose sum is σ = 7237074. Its totient is φ = 2154720.

The previous prime is 4040317. The next prime is 4040327. The reversal of 4040325 is 5230404.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1425636 + 2614689 = 1194^2 + 1617^2 .

It is not a de Polignac number, because 4040325 - 2³ = 4040317 is a prime.

It is a super-2 number, since 2×4040325² = 32648452211250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4040298 and 4040307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8754 + ... + 9203.

Almost surely, 2^4040325 is an apocalyptic number.

4040325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4040325 is a deficient number, since it is larger than the sum of its proper divisors (3196749).

4040325 is a wasteful number, since it uses less digits than its factorization.

4040325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17973 (or 17965 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4040325 is about 2010.0559693700. The cubic root of 4040325 is about 159.2717555078.

Adding to 4040325 its reverse (5230404), we get a palindrome (9270729).

The spelling of 4040325 in words is "four million, forty thousand, three hundred twenty-five".