53245 has 8 divisors (see below), whose sum is σ = 66816. Its totient is φ = 40656.

The previous prime is 53239. The next prime is 53267. The reversal of 53245 is 54235.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53245 - 2⁷ = 53117 is a prime.

It is a Duffinian number.

53245 is a lucky number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 117 + ... + 346.

It is an arithmetic number, because the mean of its divisors is an integer number (8352).

53245 is a Friedman number, since it can be written as 52*4^5-3, using all its digits and the basic arithmetic operations.

2⁵³²⁴⁵ is an apocalyptic number.

It is an amenable number.

53245 is a deficient number, since it is larger than the sum of its proper divisors (13571).

53245 is a wasteful number, since it uses less digits than its factorization.

53245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its digits is 600, while the sum is 19.

The square root of 53245 is about 230.7487811452. The cubic root of 53245 is about 37.6206484594.

Subtracting 53245 from its reverse (54235), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 5324 and 5, that added together give a square (5329 = 73²).

The spelling of 53245 in words is "fifty-three thousand, two hundred forty-five".