52520203 has 4 divisors (see below), whose sum is σ = 52542288. Its totient is φ = 52498120.

The previous prime is 52520179. The next prime is 52520213. The reversal of 52520203 is 30202525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52520203 is a prime.

It is a super-2 number, since 2×52520203² = 5516743446322418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52520213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6976 + ... + 12397.

It is an arithmetic number, because the mean of its divisors is an integer number (13135572).

Almost surely, 2^52520203 is an apocalyptic number.

52520203 is a deficient number, since it is larger than the sum of its proper divisors (22085).

52520203 is a wasteful number, since it uses less digits than its factorization.

52520203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22084.

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

The square root of 52520203 is about 7247.0823784472. The cubic root of 52520203 is about 374.4916442135.

Adding to 52520203 its reverse (30202525), we get a palindrome (82722728).

The spelling of 52520203 in words is "fifty-two million, five hundred twenty thousand, two hundred three".