52215233 has 8 divisors (see below), whose sum is σ = 60892800. Its totient is φ = 44755620.

The previous prime is 52215223. The next prime is 52215239. The reversal of 52215233 is 33251225.

It is not a de Polignac number, because 52215233 - 2⁶ = 52215169 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 = 52215199 and 52215208.

It is not an unprimeable number, because it can be changed into a prime (52215239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75773 + ... + 76458.

It is an arithmetic number, because the mean of its divisors is an integer number (7611600).

Almost surely, 2^52215233 is an apocalyptic number.

It is an amenable number.

52215233 is a deficient number, since it is larger than the sum of its proper divisors (8677567).

52215233 is an equidigital number, since it uses as much as digits as its factorization.

52215233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152252 (or 152238 counting only the distinct ones).

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

The square root of 52215233 is about 7226.0108635401. The cubic root of 52215233 is about 373.7653808877.

Adding to 52215233 its reverse (33251225), we get a palindrome (85466458).

The spelling of 52215233 in words is "fifty-two million, two hundred fifteen thousand, two hundred thirty-three".