32013225 has 30 divisors (see below), whose sum is σ = 59303310. Its totient is φ = 17072640.

The previous prime is 32013181. The next prime is 32013257. The reversal of 32013225 is 52231023.

It can be written as a sum of positive squares in 3 ways, for example, as 68121 + 31945104 = 261^2 + 5652^2 .

It is not a de Polignac number, because 32013225 - 2⁶ = 32013161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32013198 and 32013207.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5880 + ... + 9929.

It is an arithmetic number, because the mean of its divisors is an integer number (1976777).

Almost surely, 2^32013225 is an apocalyptic number.

It is an amenable number.

32013225 is a deficient number, since it is larger than the sum of its proper divisors (27290085).

32013225 is a wasteful number, since it uses less digits than its factorization.

32013225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15831 (or 15817 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 32013225 is about 5658.0230646402. The cubic root of 32013225 is about 317.5239405760.

Adding to 32013225 its reverse (52231023), we get a palindrome (84244248).

The spelling of 32013225 in words is "thirty-two million, thirteen thousand, two hundred twenty-five".