52545331 has 2 divisors, whose sum is σ = 52545332. Its totient is φ = 52545330.

The previous prime is 52545329. The next prime is 52545343. The reversal of 52545331 is 13354525.

52545331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52545331 - 2¹ = 52545329 is a prime.

It is a super-2 number, since 2×52545331² = 5522023619799122, which contains 22 as substring.

Together with 52545329, it forms a pair of twin primes.

It is equal to p_3144448 and since 52545331 and 3144448 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52545331.

It is not a weakly prime, because it can be changed into another prime (52545301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26272665 + 26272666.

It is an arithmetic number, because the mean of its divisors is an integer number (26272666).

Almost surely, 2^52545331 is an apocalyptic number.

52545331 is a deficient number, since it is larger than the sum of its proper divisors (1).

52545331 is an equidigital number, since it uses as much as digits as its factorization.

52545331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 28.

The square root of 52545331 is about 7248.8158343277. The cubic root of 52545331 is about 374.5513591748.

Adding to 52545331 its reverse (13354525), we get a palindrome (65899856).

It can be divided in two parts, 5254 and 5331, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 52545331 in words is "fifty-two million, five hundred forty-five thousand, three hundred thirty-one".