34542225 has 18 divisors (see below), whose sum is σ = 61869366. Its totient is φ = 18422400.

The previous prime is 34542203. The next prime is 34542229. The reversal of 34542225 is 52224543.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2359296 + 32182929 = 1536^2 + 5673^2 .

It is not a de Polignac number, because 34542225 - 2⁷ = 34542097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34542229) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 76536 + ... + 76985.

It is an arithmetic number, because the mean of its divisors is an integer number (3437187).

Almost surely, 2^34542225 is an apocalyptic number.

It is an amenable number.

34542225 is a deficient number, since it is larger than the sum of its proper divisors (27327141).

34542225 is a wasteful number, since it uses less digits than its factorization.

34542225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153537 (or 153529 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 34542225 is about 5877.2633937914. The cubic root of 34542225 is about 325.6742609274.

Adding to 34542225 its reverse (52224543), we get a palindrome (86766768).

The spelling of 34542225 in words is "thirty-four million, five hundred forty-two thousand, two hundred twenty-five".