52505003 has 4 divisors (see below), whose sum is σ = 52520208. Its totient is φ = 52489800.

The previous prime is 52504987. The next prime is 52505069. The reversal of 52505003 is 30050525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52505003 - 2⁴ = 52504987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52505083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (13130052).

Almost surely, 2^52505003 is an apocalyptic number.

52505003 is a deficient number, since it is larger than the sum of its proper divisors (15205).

52505003 is an equidigital number, since it uses as much as digits as its factorization.

52505003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15204.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 52505003 is about 7246.0336046695. The cubic root of 52505003 is about 374.4555132144.

Adding to 52505003 its reverse (30050525), we get a palindrome (82555528).

The spelling of 52505003 in words is "fifty-two million, five hundred five thousand, three".