52201231 has 4 divisors (see below), whose sum is σ = 52232200. Its totient is φ = 52170264.

The previous prime is 52201213. The next prime is 52201267. The reversal of 52201231 is 13210225.

52201231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52201231 - 2⁷ = 52201103 is a prime.

It is a super-2 number, since 2×52201231² = 5449937035830722, 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 (52201291) 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 in 3 ways as a sum of consecutive naturals, for example, 12801 + ... + 16378.

It is an arithmetic number, because the mean of its divisors is an integer number (13058050).

Almost surely, 2^52201231 is an apocalyptic number.

52201231 is a deficient number, since it is larger than the sum of its proper divisors (30969).

52201231 is a wasteful number, since it uses less digits than its factorization.

52201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30968.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 52201231 is about 7225.0419375945. The cubic root of 52201231 is about 373.7319683474.

Adding to 52201231 its reverse (13210225), we get a palindrome (65411456).

The spelling of 52201231 in words is "fifty-two million, two hundred one thousand, two hundred thirty-one".