52132331 has 4 divisors (see below), whose sum is σ = 52162752. Its totient is φ = 52101912.

The previous prime is 52132313. The next prime is 52132351. The reversal of 52132331 is 13323125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52132331 is a prime.

It is a super-2 number, since 2×52132331² = 5435559870987122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52132351) 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, 12476 + ... + 16121.

It is an arithmetic number, because the mean of its divisors is an integer number (13040688).

Almost surely, 2^52132331 is an apocalyptic number.

52132331 is a deficient number, since it is larger than the sum of its proper divisors (30421).

52132331 is a wasteful number, since it uses less digits than its factorization.

52132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30420.

The product of its digits is 540, while the sum is 20.

The square root of 52132331 is about 7220.2722247849. The cubic root of 52132331 is about 373.5674673093.

Adding to 52132331 its reverse (13323125), we get a palindrome (65455456).

The spelling of 52132331 in words is "fifty-two million, one hundred thirty-two thousand, three hundred thirty-one".