40303325 has 6 divisors (see below), whose sum is σ = 49976154. Its totient is φ = 32242640.

The previous prime is 40303303. The next prime is 40303327. The reversal of 40303325 is 52330304.

It can be written as a sum of positive squares in 3 ways, for example, as 4853209 + 35450116 = 2203^2 + 5954^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40303325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40303297 and 40303306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 806042 + ... + 806091.

It is an arithmetic number, because the mean of its divisors is an integer number (8329359).

Almost surely, 2^40303325 is an apocalyptic number.

It is an amenable number.

40303325 is a deficient number, since it is larger than the sum of its proper divisors (9672829).

40303325 is a wasteful number, since it uses less digits than its factorization.

40303325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612143 (or 1612138 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 40303325 is about 6348.4899779396. The cubic root of 40303325 is about 342.8574774716.

Adding to 40303325 its reverse (52330304), we get a palindrome (92633629).

The spelling of 40303325 in words is "forty million, three hundred three thousand, three hundred twenty-five".