27241225 has 24 divisors (see below), whose sum is σ = 39024288. Its totient is φ = 18643200.

The previous prime is 27241187. The next prime is 27241241. The reversal of 27241225 is 52214272.

It is a de Polignac number, because none of the positive numbers 2^k-27241225 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 27241225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1762 + ... + 7588.

It is an arithmetic number, because the mean of its divisors is an integer number (1626012).

Almost surely, 2^27241225 is an apocalyptic number.

27241225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27241225 is a deficient number, since it is larger than the sum of its proper divisors (11783063).

27241225 is a wasteful number, since it uses less digits than its factorization.

27241225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865 (or 5860 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 27241225 is about 5219.3126942156. The cubic root of 27241225 is about 300.8907783545.

Adding to 27241225 its reverse (52214272), we get a palindrome (79455497).

The spelling of 27241225 in words is "twenty-seven million, two hundred forty-one thousand, two hundred twenty-five".