40005325 has 24 divisors (see below), whose sum is σ = 51855560. Its totient is φ = 30585600.

The previous prime is 40005313. The next prime is 40005331. The reversal of 40005325 is 52350004.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 21178404 + 18826921 = 4602^2 + 4339^2 .

It is not a de Polignac number, because 40005325 - 2⁷ = 40005197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56071 + ... + 56779.

Almost surely, 2^40005325 is an apocalyptic number.

It is an amenable number.

40005325 is a deficient number, since it is larger than the sum of its proper divisors (11850235).

40005325 is a wasteful number, since it uses less digits than its factorization.

40005325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 40005325 is about 6324.9762845405. The cubic root of 40005325 is about 342.0103646985.

Adding to 40005325 its reverse (52350004), we get a palindrome (92355329).

The spelling of 40005325 in words is "forty million, five thousand, three hundred twenty-five".