25703540 has 24 divisors (see below), whose sum is σ = 54486432. Its totient is φ = 10184480.

The previous prime is 25703539. The next prime is 25703549. The reversal of 25703540 is 4530752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25703549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3866 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (2270268).

Almost surely, 2^25703540 is an apocalyptic number.

25703540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25703540 is an abundant number, since it is smaller than the sum of its proper divisors (28782892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25703540 is a wasteful number, since it uses less digits than its factorization.

25703540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12127 (or 12125 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25703540 is about 5069.8658759379. The cubic root of 25703540 is about 295.1193235567.

The spelling of 25703540 in words is "twenty-five million, seven hundred three thousand, five hundred forty".