25541045 has 4 divisors (see below), whose sum is σ = 30649260. Its totient is φ = 20432832.

The previous prime is 25541029. The next prime is 25541077. The reversal of 25541045 is 54014552.

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 13830961 + 11710084 = 3719^2 + 3422^2 .

It is a cyclic number.

It is not a de Polignac number, because 25541045 - 2⁴ = 25541029 is a prime.

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, 2554100 + ... + 2554109.

It is an arithmetic number, because the mean of its divisors is an integer number (7662315).

Almost surely, 2^25541045 is an apocalyptic number.

It is an amenable number.

25541045 is a deficient number, since it is larger than the sum of its proper divisors (5108215).

25541045 is an equidigital number, since it uses as much as digits as its factorization.

25541045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108214.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 25541045 is about 5053.8148957001. The cubic root of 25541045 is about 294.4961042489.

Adding to 25541045 its reverse (54014552), we get a palindrome (79555597).

The spelling of 25541045 in words is "twenty-five million, five hundred forty-one thousand, forty-five".