25903140 has 48 divisors (see below), whose sum is σ = 72793728. Its totient is φ = 6882304.

The previous prime is 25903139. The next prime is 25903147. The reversal of 25903140 is 4130952.

It is a self number, because there is not a number n which added to its sum of digits gives 25903140.

It is not an unprimeable number, because it can be changed into a prime (25903147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20569 + ... + 21791.

It is an arithmetic number, because the mean of its divisors is an integer number (1516536).

Almost surely, 2^25903140 is an apocalyptic number.

25903140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25903140 is an abundant number, since it is smaller than the sum of its proper divisors (46890588).

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

25903140 is a wasteful number, since it uses less digits than its factorization.

25903140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25903140 is about 5089.5127468157. The cubic root of 25903140 is about 295.8812678173.

The spelling of 25903140 in words is "twenty-five million, nine hundred three thousand, one hundred forty".