25225541 has 4 divisors (see below), whose sum is σ = 27518784. Its totient is φ = 22932300.

The previous prime is 25225523. The next prime is 25225553. The reversal of 25225541 is 14552252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25225541 - 2¹⁴ = 25209157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25225541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225241) 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, 1146605 + ... + 1146626.

It is an arithmetic number, because the mean of its divisors is an integer number (6879696).

Almost surely, 2^25225541 is an apocalyptic number.

It is an amenable number.

25225541 is a deficient number, since it is larger than the sum of its proper divisors (2293243).

25225541 is a wasteful number, since it uses less digits than its factorization.

25225541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293242.

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

The square root of 25225541 is about 5022.5034594314. The cubic root of 25225541 is about 293.2784572219.

Adding to 25225541 its reverse (14552252), we get a palindrome (39777793).

Subtracting from 25225541 its reverse (14552252), we obtain a square (10673289 = 3267²).

The spelling of 25225541 in words is "twenty-five million, two hundred twenty-five thousand, five hundred forty-one".