40250525 has 12 divisors (see below), whose sum is σ = 57040992. Its totient is φ = 27600240.

The previous prime is 40250501. The next prime is 40250527. The reversal of 40250525 is 52505204.

40250525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40250525 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40250525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40250527) by changing a digit.

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, 114827 + ... + 115176.

It is an arithmetic number, because the mean of its divisors is an integer number (4753416).

Almost surely, 2^40250525 is an apocalyptic number.

It is an amenable number.

40250525 is a deficient number, since it is larger than the sum of its proper divisors (16790467).

40250525 is a wasteful number, since it uses less digits than its factorization.

40250525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230020 (or 230015 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 40250525 is about 6344.3301458862. The cubic root of 40250525 is about 342.7076901121.

Adding to 40250525 its reverse (52505204), we get a palindrome (92755729).

The spelling of 40250525 in words is "forty million, two hundred fifty thousand, five hundred twenty-five".