52352251 has 4 divisors (see below), whose sum is σ = 59831152. Its totient is φ = 44873352.

The previous prime is 52352249. The next prime is 52352263. The reversal of 52352251 is 15225325.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52352251 - 2¹ = 52352249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52352281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3739440 + ... + 3739453.

It is an arithmetic number, because the mean of its divisors is an integer number (14957788).

Almost surely, 2^52352251 is an apocalyptic number.

52352251 is a deficient number, since it is larger than the sum of its proper divisors (7478901).

52352251 is an equidigital number, since it uses as much as digits as its factorization.

52352251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478900.

The product of its digits is 3000, while the sum is 25.

The square root of 52352251 is about 7235.4855400312. The cubic root of 52352251 is about 374.0920279315.

Adding to 52352251 its reverse (15225325), we get a palindrome (67577576).

The spelling of 52352251 in words is "fifty-two million, three hundred fifty-two thousand, two hundred fifty-one".