40313425 has 6 divisors (see below), whose sum is σ = 49988678. Its totient is φ = 32250720.

The previous prime is 40313407. The next prime is 40313437. The reversal of 40313425 is 52431304.

It can be written as a sum of positive squares in 3 ways, for example, as 2944656 + 37368769 = 1716^2 + 6113^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40313425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40313396 and 40313405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 806244 + ... + 806293.

Almost surely, 2^40313425 is an apocalyptic number.

It is an amenable number.

40313425 is a deficient number, since it is larger than the sum of its proper divisors (9675253).

40313425 is a wasteful number, since it uses less digits than its factorization.

40313425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612547 (or 1612542 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40313425 is about 6349.2853928612. The cubic root of 40313425 is about 342.8861150699.

Adding to 40313425 its reverse (52431304), we get a palindrome (92744729).

The spelling of 40313425 in words is "forty million, three hundred thirteen thousand, four hundred twenty-five".