52031503 has 4 divisors (see below), whose sum is σ = 52066768. Its totient is φ = 51996240.

The previous prime is 52031489. The next prime is 52031513. The reversal of 52031503 is 30513025.

52031503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52031503 - 2⁵ = 52031471 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52031513) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15318 + ... + 18403.

It is an arithmetic number, because the mean of its divisors is an integer number (13016692).

Almost surely, 2^52031503 is an apocalyptic number.

52031503 is a deficient number, since it is larger than the sum of its proper divisors (35265).

52031503 is a wasteful number, since it uses less digits than its factorization.

52031503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35264.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 52031503 is about 7213.2865602304. The cubic root of 52031503 is about 373.3264756571.

Adding to 52031503 its reverse (30513025), we get a palindrome (82544528).

It can be divided in two parts, 520 and 31503, that added together give a palindrome (32023).

The spelling of 52031503 in words is "fifty-two million, thirty-one thousand, five hundred three".