25113245 has 4 divisors (see below), whose sum is σ = 30135900. Its totient is φ = 20090592.

The previous prime is 25113239. The next prime is 25113259. The reversal of 25113245 is 54231152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17081689 + 8031556 = 4133^2 + 2834^2 .

It is a cyclic number.

It is not a de Polignac number, because 25113245 - 2⁴ = 25113229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25113245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2511320 + ... + 2511329.

It is an arithmetic number, because the mean of its divisors is an integer number (7533975).

Almost surely, 2^25113245 is an apocalyptic number.

It is an amenable number.

25113245 is a deficient number, since it is larger than the sum of its proper divisors (5022655).

25113245 is an equidigital number, since it uses as much as digits as its factorization.

25113245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022654.

The product of its digits is 1200, while the sum is 23.

The square root of 25113245 is about 5011.3117045341. The cubic root of 25113245 is about 292.8426160325.

Adding to 25113245 its reverse (54231152), we get a palindrome (79344397).

The spelling of 25113245 in words is "twenty-five million, one hundred thirteen thousand, two hundred forty-five".