40546225 has 6 divisors (see below), whose sum is σ = 50277350. Its totient is φ = 32436960.

The previous prime is 40546213. The next prime is 40546229. The reversal of 40546225 is 52264504.

It can be written as a sum of positive squares in 3 ways, for example, as 7091569 + 33454656 = 2663^2 + 5784^2 .

It is not a de Polignac number, because 40546225 - 2¹¹ = 40544177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40546193 and 40546202.

It is not an unprimeable number, because it can be changed into a prime (40546229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 810900 + ... + 810949.

Almost surely, 2^40546225 is an apocalyptic number.

It is an amenable number.

40546225 is a deficient number, since it is larger than the sum of its proper divisors (9731125).

40546225 is a wasteful number, since it uses less digits than its factorization.

40546225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621859 (or 1621854 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40546225 is about 6367.5917739755. The cubic root of 40546225 is about 343.5448759689.

The spelling of 40546225 in words is "forty million, five hundred forty-six thousand, two hundred twenty-five".