40425125 has 16 divisors (see below), whose sum is σ = 54333552. Its totient is φ = 29851200.

The previous prime is 40425113. The next prime is 40425163. The reversal of 40425125 is 52152404.

It is a happy number.

40425125 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 8 ways, for example, as 34304449 + 6120676 = 5857^2 + 2474^2 .

It is not a de Polignac number, because 40425125 - 2⁴ = 40425109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40425125.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 10814 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (3395847).

Almost surely, 2^40425125 is an apocalyptic number.

It is an amenable number.

40425125 is a deficient number, since it is larger than the sum of its proper divisors (13908427).

40425125 is a wasteful number, since it uses less digits than its factorization.

40425125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24905 (or 24895 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40425125 is about 6358.0755736308. The cubic root of 40425125 is about 343.2025114012.

Adding to 40425125 its reverse (52152404), we get a palindrome (92577529).

The spelling of 40425125 in words is "forty million, four hundred twenty-five thousand, one hundred twenty-five".