52040231 has 8 divisors (see below), whose sum is σ = 52928928. Its totient is φ = 51156000.

The previous prime is 52040201. The next prime is 52040269. The reversal of 52040231 is 13204025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52040231 is a prime.

It is a super-2 number, since 2×52040231² = 5416371285066722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52040201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29021 + ... + 30761.

It is an arithmetic number, because the mean of its divisors is an integer number (6616116).

Almost surely, 2^52040231 is an apocalyptic number.

52040231 is a deficient number, since it is larger than the sum of its proper divisors (888697).

52040231 is a wasteful number, since it uses less digits than its factorization.

52040231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 52040231 is about 7213.8915295422. The cubic root of 52040231 is about 373.3473489813.

Adding to 52040231 its reverse (13204025), we get a palindrome (65244256).

The spelling of 52040231 in words is "fifty-two million, forty thousand, two hundred thirty-one".