52505233 has 4 divisors (see below), whose sum is σ = 57278448. Its totient is φ = 47732020.

The previous prime is 52505209. The next prime is 52505249. The reversal of 52505233 is 33250525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52505233 - 2¹³ = 52497041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52505198 and 52505207.

It is not an unprimeable number, because it can be changed into a prime (52505203) 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, 2386591 + ... + 2386612.

It is an arithmetic number, because the mean of its divisors is an integer number (14319612).

Almost surely, 2^52505233 is an apocalyptic number.

It is an amenable number.

52505233 is a deficient number, since it is larger than the sum of its proper divisors (4773215).

52505233 is a wasteful number, since it uses less digits than its factorization.

52505233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773214.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 52505233 is about 7246.0494754038. The cubic root of 52505233 is about 374.4560599854.

Adding to 52505233 its reverse (33250525), we get a palindrome (85755758).

The spelling of 52505233 in words is "fifty-two million, five hundred five thousand, two hundred thirty-three".