25955245 has 4 divisors (see below), whose sum is σ = 31146300. Its totient is φ = 20764192.

The previous prime is 25955231. The next prime is 25955249. The reversal of 25955245 is 54255952.

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 16695396 + 9259849 = 4086^2 + 3043^2 .

It is a cyclic number.

It is not a de Polignac number, because 25955245 - 2¹¹ = 25953197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25955249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2595520 + ... + 2595529.

It is an arithmetic number, because the mean of its divisors is an integer number (7786575).

Almost surely, 2^25955245 is an apocalyptic number.

It is an amenable number.

25955245 is a deficient number, since it is larger than the sum of its proper divisors (5191055).

25955245 is an equidigital number, since it uses as much as digits as its factorization.

25955245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191054.

The product of its digits is 90000, while the sum is 37.

The square root of 25955245 is about 5094.6290345814. The cubic root of 25955245 is about 296.0795265072.

The spelling of 25955245 in words is "twenty-five million, nine hundred fifty-five thousand, two hundred forty-five".