25853506 has 16 divisors (see below), whose sum is σ = 45157824. Its totient is φ = 10870704.

The previous prime is 25853501. The next prime is 25853533. The reversal of 25853506 is 60535852.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25853501) 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, 16680 + ... + 18163.

It is an arithmetic number, because the mean of its divisors is an integer number (2822364).

Almost surely, 2^25853506 is an apocalyptic number.

25853506 is a deficient number, since it is larger than the sum of its proper divisors (19304318).

25853506 is a wasteful number, since it uses less digits than its factorization.

25853506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34905.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 25853506 is about 5084.6343034677. The cubic root of 25853506 is about 295.6921638344.

The spelling of 25853506 in words is "twenty-five million, eight hundred fifty-three thousand, five hundred six".