25940835 has 24 divisors (see below), whose sum is σ = 45539520. Its totient is φ = 13658112.

The previous prime is 25940791. The next prime is 25940839. The reversal of 25940835 is 53804952.

It is not a de Polignac number, because 25940835 - 2⁶ = 25940771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25940835.

It is not an unprimeable number, because it can be changed into a prime (25940839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94 + ... + 7203.

It is an arithmetic number, because the mean of its divisors is an integer number (1897480).

Almost surely, 2^25940835 is an apocalyptic number.

25940835 is a deficient number, since it is larger than the sum of its proper divisors (19598685).

25940835 is a wasteful number, since it uses less digits than its factorization.

25940835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387 (or 7384 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 25940835 is about 5093.2146037645. The cubic root of 25940835 is about 296.0247232515.

The spelling of 25940835 in words is "twenty-five million, nine hundred forty thousand, eight hundred thirty-five".