40004325 has 18 divisors (see below), whose sum is σ = 71652594. Its totient is φ = 21335520.

The previous prime is 40004317. The next prime is 40004333. The reversal of 40004325 is 52340004.

It is a happy number.

40004325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40004317) and next prime (40004333).

It can be written as a sum of positive squares in 3 ways, for example, as 49284 + 39955041 = 222^2 + 6321^2 .

It is not a de Polignac number, because 40004325 - 2³ = 40004317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40004298 and 40004307.

It is a congruent 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, 88674 + ... + 89123.

Almost surely, 2^40004325 is an apocalyptic number.

40004325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40004325 is a deficient number, since it is larger than the sum of its proper divisors (31648269).

40004325 is a wasteful number, since it uses less digits than its factorization.

40004325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177813 (or 177805 counting only the distinct ones).

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

The square root of 40004325 is about 6324.8972323667. The cubic root of 40004325 is about 342.0075149677.

Adding to 40004325 its reverse (52340004), we get a palindrome (92344329).

The spelling of 40004325 in words is "forty million, four thousand, three hundred twenty-five".