25040156 has 12 divisors (see below), whose sum is σ = 44375520. Its totient is φ = 12361440.

The previous prime is 25040149. The next prime is 25040159. The reversal of 25040156 is 65104052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25040159) 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 3 ways as a sum of consecutive naturals, for example, 39305 + ... + 39936.

It is an arithmetic number, because the mean of its divisors is an integer number (3697960).

Almost surely, 2^25040156 is an apocalyptic number.

It is an amenable number.

25040156 is a deficient number, since it is larger than the sum of its proper divisors (19335364).

25040156 is a wasteful number, since it uses less digits than its factorization.

25040156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79324 (or 79322 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25040156 is about 5004.0139887894. The cubic root of 25040156 is about 292.5582458823.

The spelling of 25040156 in words is "twenty-five million, forty thousand, one hundred fifty-six".