42032225 has 6 divisors (see below), whose sum is σ = 52119990. Its totient is φ = 33625760.

The previous prime is 42032203. The next prime is 42032227. The reversal of 42032225 is 52223024.

It can be written as a sum of positive squares in 3 ways, for example, as 132496 + 41899729 = 364^2 + 6473^2 .

It is not a de Polignac number, because 42032225 - 2¹⁰ = 42031201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42032197 and 42032206.

It is not an unprimeable number, because it can be changed into a prime (42032227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840620 + ... + 840669.

It is an arithmetic number, because the mean of its divisors is an integer number (8686665).

Almost surely, 2^42032225 is an apocalyptic number.

It is an amenable number.

42032225 is a deficient number, since it is larger than the sum of its proper divisors (10087765).

42032225 is a wasteful number, since it uses less digits than its factorization.

42032225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681299 (or 1681294 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 42032225 is about 6483.2264344229. The cubic root of 42032225 is about 347.6915425224.

Adding to 42032225 its reverse (52223024), we get a palindrome (94255249).

The spelling of 42032225 in words is "forty-two million, thirty-two thousand, two hundred twenty-five".