4152225 has 48 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 1723200.

The previous prime is 4152217. The next prime is 4152229. The reversal of 4152225 is 5222514.

It is a happy number.

It is not a de Polignac number, because 4152225 - 2³ = 4152217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4152229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5416 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (178560).

Almost surely, 2^4152225 is an apocalyptic number.

It is an amenable number.

4152225 is an abundant number, since it is smaller than the sum of its proper divisors (4418655).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4152225 is a wasteful number, since it uses less digits than its factorization.

4152225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 745 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 4152225 is about 2037.7009103399. The cubic root of 4152225 is about 160.7287718865.

Adding to 4152225 its reverse (5222514), we get a palindrome (9374739).

The spelling of 4152225 in words is "four million, one hundred fifty-two thousand, two hundred twenty-five".