53210225 has 6 divisors (see below), whose sum is σ = 65980710. Its totient is φ = 42568160.

The previous prime is 53210207. The next prime is 53210233. The reversal of 53210225 is 52201235.

It can be written as a sum of positive squares in 3 ways, for example, as 6806881 + 46403344 = 2609^2 + 6812^2 .

It is not a de Polignac number, because 53210225 - 2¹² = 53206129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53210197 and 53210206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1064180 + ... + 1064229.

It is an arithmetic number, because the mean of its divisors is an integer number (10996785).

Almost surely, 2^53210225 is an apocalyptic number.

It is an amenable number.

53210225 is a deficient number, since it is larger than the sum of its proper divisors (12770485).

53210225 is a wasteful number, since it uses less digits than its factorization.

53210225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128419 (or 2128414 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 53210225 is about 7294.5339124580. The cubic root of 53210225 is about 376.1245649793.

It can be divided in two parts, 53210 and 225, that added together give a palindrome (53435).

The spelling of 53210225 in words is "fifty-three million, two hundred ten thousand, two hundred twenty-five".