25167225 has 24 divisors (see below), whose sum is σ = 44059680. Its totient is φ = 12632320.

The previous prime is 25167223. The next prime is 25167251. The reversal of 25167225 is 52276152.

It is not a de Polignac number, because 25167225 - 2¹ = 25167223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25167192 and 25167201.

It is not an unprimeable number, because it can be changed into a prime (25167223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8595 + ... + 11144.

It is an arithmetic number, because the mean of its divisors is an integer number (1835820).

Almost surely, 2^25167225 is an apocalyptic number.

25167225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25167225 is a deficient number, since it is larger than the sum of its proper divisors (18892455).

25167225 is a wasteful number, since it uses less digits than its factorization.

25167225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19769 (or 19764 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 25167225 is about 5016.6946289365. The cubic root of 25167225 is about 293.0522840375.

It can be divided in two parts, 251 and 67225, that added together give a palindrome (67476).

The spelling of 25167225 in words is "twenty-five million, one hundred sixty-seven thousand, two hundred twenty-five".