25580235 has 16 divisors (see below), whose sum is σ = 41506560. Its totient is φ = 13450080.

The previous prime is 25580231. The next prime is 25580249. The reversal of 25580235 is 53208552.

It is not a de Polignac number, because 25580235 - 2² = 25580231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25580231) 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, 10945 + ... + 13074.

It is an arithmetic number, because the mean of its divisors is an integer number (2594160).

Almost surely, 2^25580235 is an apocalyptic number.

25580235 is a deficient number, since it is larger than the sum of its proper divisors (15926325).

25580235 is a wasteful number, since it uses less digits than its factorization.

25580235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24098.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 25580235 is about 5057.6906785607. The cubic root of 25580235 is about 294.6466515266.

Adding to 25580235 its reverse (53208552), we get a palindrome (78788787).

The spelling of 25580235 in words is "twenty-five million, five hundred eighty thousand, two hundred thirty-five".