25512235 has 8 divisors (see below), whose sum is σ = 34988256. Its totient is φ = 17494080.

The previous prime is 25512197. The next prime is 25512241. The reversal of 25512235 is 53221552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25512235 - 2⁷ = 25512107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364426 + ... + 364495.

It is an arithmetic number, because the mean of its divisors is an integer number (4373532).

Almost surely, 2^25512235 is an apocalyptic number.

25512235 is a deficient number, since it is larger than the sum of its proper divisors (9476021).

25512235 is an equidigital number, since it uses as much as digits as its factorization.

25512235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728933.

The product of its digits is 3000, while the sum is 25.

The square root of 25512235 is about 5050.9637694206. The cubic root of 25512235 is about 294.3853332020.

Adding to 25512235 its reverse (53221552), we get a palindrome (78733787).

The spelling of 25512235 in words is "twenty-five million, five hundred twelve thousand, two hundred thirty-five".