25825255 has 4 divisors (see below), whose sum is σ = 30990312. Its totient is φ = 20660200.

The previous prime is 25825253. The next prime is 25825277. The reversal of 25825255 is 55252852.

It is a happy number.

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

It is not a de Polignac number, because 25825255 - 2¹ = 25825253 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 25825255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25825253) 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, 2582521 + ... + 2582530.

It is an arithmetic number, because the mean of its divisors is an integer number (7747578).

Almost surely, 2^25825255 is an apocalyptic number.

25825255 is a deficient number, since it is larger than the sum of its proper divisors (5165057).

25825255 is an equidigital number, since it uses as much as digits as its factorization.

25825255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165056.

The product of its digits is 40000, while the sum is 34.

The square root of 25825255 is about 5081.8554682321. The cubic root of 25825255 is about 295.5844203053.

The spelling of 25825255 in words is "twenty-five million, eight hundred twenty-five thousand, two hundred fifty-five".