40503225 has 48 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 18369600.

The previous prime is 40503187. The next prime is 40503233. The reversal of 40503225 is 52230504.

40503225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40503225 - 2⁷ = 40503097 is a prime.

It is a super-2 number, since 2×40503225² = 3281022470801250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 93760 + ... + 94190.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 2^40503225 is an apocalyptic number.

It is an amenable number.

40503225 is a deficient number, since it is larger than the sum of its proper divisors (36634695).

40503225 is a wasteful number, since it uses less digits than its factorization.

40503225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 40503225 is about 6364.2144055649. The cubic root of 40503225 is about 343.4233878412.

Adding to 40503225 its reverse (52230504), we get a palindrome (92733729).

The spelling of 40503225 in words is "forty million, five hundred three thousand, two hundred twenty-five".