40563025 has 12 divisors (see below), whose sum is σ = 52033500. Its totient is φ = 31330880.

The previous prime is 40563001. The next prime is 40563041. The reversal of 40563025 is 52036504.

40563025 = 4503² + 4504².

40563025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2666689 + 37896336 = 1633^2 + 6156^2 .

It is not a de Polignac number, because 40563025 - 2⁵ = 40562993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27250 + ... + 28699.

It is an arithmetic number, because the mean of its divisors is an integer number (4336125).

Almost surely, 2^40563025 is an apocalyptic number.

40563025 is the 4504-th centered square number.

It is an amenable number.

40563025 is a deficient number, since it is larger than the sum of its proper divisors (11470475).

40563025 is a wasteful number, since it uses less digits than its factorization.

40563025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55988 (or 55983 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 40563025 is about 6368.9108174004. The cubic root of 40563025 is about 343.5923177630.

Adding to 40563025 its reverse (52036504), we get a palindrome (92599529).

The spelling of 40563025 in words is "forty million, five hundred sixty-three thousand, twenty-five".