52403 has 8 divisors (see below), whose sum is σ = 58800. Its totient is φ = 46368.

The previous prime is 52391. The next prime is 52433. The reversal of 52403 is 30425.

52403 is nontrivially palindromic in base 14.

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 52403 - 2⁴ = 52387 is a prime.

It is an Ulam number.

It is a Duffinian number.

52403 is an undulating number in base 14.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (52433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308 + ... + 446.

It is an arithmetic number, because the mean of its divisors is an integer number (7350).

2⁵²⁴⁰³ is an apocalyptic number.

52403 is a deficient number, since it is larger than the sum of its proper divisors (6397).

52403 is a wasteful number, since it uses less digits than its factorization.

52403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 52403 is about 228.9170155318. The cubic root of 52403 is about 37.4212867468.

Adding to 52403 its reverse (30425), we get a palindrome (82828).

The spelling of 52403 in words is "fifty-two thousand, four hundred three".