40325225 has 12 divisors (see below), whose sum is σ = 51728460. Its totient is φ = 31147200.

The previous prime is 40325213. The next prime is 40325237. The reversal of 40325225 is 52252304.

It is an interprime number because it is at equal distance from previous prime (40325213) and next prime (40325237).

It can be written as a sum of positive squares in 6 ways, for example, as 6091024 + 34234201 = 2468^2 + 5851^2 .

It is not a de Polignac number, because 40325225 - 2¹⁰ = 40324201 is a prime.

It is a super-2 number, since 2×40325225² = 3252247542601250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40325225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27086 + ... + 28535.

It is an arithmetic number, because the mean of its divisors is an integer number (4310705).

Almost surely, 2^40325225 is an apocalyptic number.

It is an amenable number.

40325225 is a deficient number, since it is larger than the sum of its proper divisors (11403235).

40325225 is a wasteful number, since it uses less digits than its factorization.

40325225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55660 (or 55655 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40325225 is about 6350.2145633041. The cubic root of 40325225 is about 342.9195668001.

Adding to 40325225 its reverse (52252304), we get a palindrome (92577529).

The spelling of 40325225 in words is "forty million, three hundred twenty-five thousand, two hundred twenty-five".