40006325 has 6 divisors (see below), whose sum is σ = 49607874. Its totient is φ = 32005040.

The previous prime is 40006319. The next prime is 40006339. The reversal of 40006325 is 52360004.

40006325 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 3 ways, for example, as 10510564 + 29495761 = 3242^2 + 5431^2 .

It is not a de Polignac number, because 40006325 - 2⁶ = 40006261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40006297 and 40006306.

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 5 ways as a sum of consecutive naturals, for example, 800102 + ... + 800151.

It is an arithmetic number, because the mean of its divisors is an integer number (8267979).

Almost surely, 2^40006325 is an apocalyptic number.

It is an amenable number.

40006325 is a deficient number, since it is larger than the sum of its proper divisors (9601549).

40006325 is a wasteful number, since it uses less digits than its factorization.

40006325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600263 (or 1600258 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40006325 is about 6325.0553357263. The cubic root of 40006325 is about 342.0132143817.

Adding to 40006325 its reverse (52360004), we get a palindrome (92366329).

The spelling of 40006325 in words is "forty million, six thousand, three hundred twenty-five".