52405133 has 4 divisors (see below), whose sum is σ = 57169248. Its totient is φ = 47641020.

The previous prime is 52405099. The next prime is 52405147. The reversal of 52405133 is 33150425.

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 52405133 - 2¹⁶ = 52339597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52405099 and 52405108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52405183) 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, 2382041 + ... + 2382062.

It is an arithmetic number, because the mean of its divisors is an integer number (14292312).

Almost surely, 2^52405133 is an apocalyptic number.

It is an amenable number.

52405133 is a deficient number, since it is larger than the sum of its proper divisors (4764115).

52405133 is a wasteful number, since it uses less digits than its factorization.

52405133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764114.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 52405133 is about 7239.1389681370. The cubic root of 52405133 is about 374.2179446909.

Adding to 52405133 its reverse (33150425), we get a palindrome (85555558).

The spelling of 52405133 in words is "fifty-two million, four hundred five thousand, one hundred thirty-three".