52331225 has 36 divisors (see below), whose sum is σ = 71282640. Its totient is φ = 38001600.

The previous prime is 52331207. The next prime is 52331249. The reversal of 52331225 is 52213325.

52331225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52331225 - 2⁶ = 52331161 is a prime.

It is a super-2 number, since 2×52331225² = 5477114220001250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52331225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 399410 + ... + 399540.

Almost surely, 2^52331225 is an apocalyptic number.

It is an amenable number.

52331225 is a deficient number, since it is larger than the sum of its proper divisors (18951415).

52331225 is a wasteful number, since it uses less digits than its factorization.

52331225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 184 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 52331225 is about 7234.0324162945. The cubic root of 52331225 is about 374.0419395903.

The spelling of 52331225 in words is "fifty-two million, three hundred thirty-one thousand, two hundred twenty-five".