52251233 has 4 divisors (see below), whose sum is σ = 52401300. Its totient is φ = 52101168.

The previous prime is 52251211. The next prime is 52251253. The reversal of 52251233 is 33215225.

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 13897984 + 38353249 = 3728^2 + 6193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52251233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52251199 and 52251208.

It is not an unprimeable number, because it can be changed into a prime (52251253) 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, 74510 + ... + 75207.

It is an arithmetic number, because the mean of its divisors is an integer number (13100325).

Almost surely, 2^52251233 is an apocalyptic number.

It is an amenable number.

52251233 is a deficient number, since it is larger than the sum of its proper divisors (150067).

52251233 is a wasteful number, since it uses less digits than its factorization.

52251233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150066.

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

The square root of 52251233 is about 7228.5014352907. The cubic root of 52251233 is about 373.8512591637.

Adding to 52251233 its reverse (33215225), we get a palindrome (85466458).

The spelling of 52251233 in words is "fifty-two million, two hundred fifty-one thousand, two hundred thirty-three".