52401231 has 12 divisors (see below), whose sum is σ = 78301080. Its totient is φ = 33729360.

The previous prime is 52401229. The next prime is 52401247. The reversal of 52401231 is 13210425.

It is not a de Polignac number, because 52401231 - 2¹ = 52401229 is a prime.

It is a super-2 number, since 2×52401231² = 5491778020630722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52401281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100125 + ... + 100646.

It is an arithmetic number, because the mean of its divisors is an integer number (6525090).

Almost surely, 2^52401231 is an apocalyptic number.

52401231 is a deficient number, since it is larger than the sum of its proper divisors (25899849).

52401231 is a wasteful number, since it uses less digits than its factorization.

52401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200806 (or 200803 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 52401231 is about 7238.8694559303. The cubic root of 52401231 is about 374.2086565762.

Adding to 52401231 its reverse (13210425), we get a palindrome (65611656).

The spelling of 52401231 in words is "fifty-two million, four hundred one thousand, two hundred thirty-one".