25225545 has 8 divisors (see below), whose sum is σ = 40360896. Its totient is φ = 13453616.

The previous prime is 25225523. The next prime is 25225553. The reversal of 25225545 is 54552252.

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

It is a cyclic number.

It is not a de Polignac number, because 25225545 - 2⁶ = 25225481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840837 + ... + 840866.

It is an arithmetic number, because the mean of its divisors is an integer number (5045112).

Almost surely, 2^25225545 is an apocalyptic number.

It is an amenable number.

25225545 is a deficient number, since it is larger than the sum of its proper divisors (15135351).

25225545 is a wasteful number, since it uses less digits than its factorization.

25225545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681711.

The product of its digits is 20000, while the sum is 30.

The square root of 25225545 is about 5022.5038576391. The cubic root of 25225545 is about 293.2784727236.

Adding to 25225545 its reverse (54552252), we get a palindrome (79777797).

The spelling of 25225545 in words is "twenty-five million, two hundred twenty-five thousand, five hundred forty-five".