40625225 has 12 divisors (see below), whose sum is σ = 50849424. Its totient is φ = 32194320.

The previous prime is 40625213. The next prime is 40625243. The reversal of 40625225 is 52252604.

40625225 = T₃₃₄ + T₃₃₅ + ... + T₆₅₄.

40625225 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 40625225 - 2⁶ = 40625161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40625194 and 40625203.

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, 4919 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (4237452).

Almost surely, 2^40625225 is an apocalyptic number.

It is an amenable number.

40625225 is a deficient number, since it is larger than the sum of its proper divisors (10224199).

40625225 is a wasteful number, since it uses less digits than its factorization.

40625225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304 (or 15299 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40625225 is about 6373.7920424187. The cubic root of 40625225 is about 343.7678514145.

Adding to 40625225 its reverse (52252604), we get a palindrome (92877829).

The spelling of 40625225 in words is "forty million, six hundred twenty-five thousand, two hundred twenty-five".