40225825 has 12 divisors (see below), whose sum is σ = 52814700. Its totient is φ = 30287360.

The previous prime is 40225811. The next prime is 40225841. The reversal of 40225825 is 52852204.

It can be written as a sum of positive squares in 6 ways, for example, as 4309776 + 35916049 = 2076^2 + 5993^2 .

It is not a de Polignac number, because 40225825 - 2¹⁵ = 40193057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40225793 and 40225802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46900 + ... + 47749.

It is an arithmetic number, because the mean of its divisors is an integer number (4401225).

Almost surely, 2^40225825 is an apocalyptic number.

It is an amenable number.

40225825 is a deficient number, since it is larger than the sum of its proper divisors (12588875).

40225825 is a wasteful number, since it uses less digits than its factorization.

40225825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94676 (or 94671 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 40225825 is about 6342.3832271473. The cubic root of 40225825 is about 342.6375741567.

The spelling of 40225825 in words is "forty million, two hundred twenty-five thousand, eight hundred twenty-five".