52313333 has 4 divisors (see below), whose sum is σ = 53030028. Its totient is φ = 51596640.

The previous prime is 52313329. The next prime is 52313341. The reversal of 52313333 is 33331325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18464209 + 33849124 = 4297^2 + 5818^2 .

It is a cyclic number.

It is not a de Polignac number, because 52313333 - 2² = 52313329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52313299 and 52313308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52313033) 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, 358238 + ... + 358383.

It is an arithmetic number, because the mean of its divisors is an integer number (13257507).

Almost surely, 2^52313333 is an apocalyptic number.

It is an amenable number.

52313333 is a deficient number, since it is larger than the sum of its proper divisors (716695).

52313333 is an equidigital number, since it uses as much as digits as its factorization.

52313333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716694.

The product of its digits is 2430, while the sum is 23.

The square root of 52313333 is about 7232.7956558996. The cubic root of 52313333 is about 373.9993065274. Note that the first 3 decimals are identical.

Adding to 52313333 its reverse (33331325), we get a palindrome (85644658).

The spelling of 52313333 in words is "fifty-two million, three hundred thirteen thousand, three hundred thirty-three".