531123241 has 8 divisors (see below), whose sum is σ = 586742400. Its totient is φ = 476726640.

The previous prime is 531123227. The next prime is 531123259. The reversal of 531123241 is 142321135.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 531123241 - 2¹³ = 531115049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531123221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304726 + ... + 306463.

It is an arithmetic number, because the mean of its divisors is an integer number (73342800).

Almost surely, 2^531123241 is an apocalyptic number.

It is an amenable number.

531123241 is a deficient number, since it is larger than the sum of its proper divisors (55619159).

531123241 is a wasteful number, since it uses less digits than its factorization.

531123241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611279.

The product of its digits is 720, while the sum is 22.

The square root of 531123241 is about 23046.1111903939. Note that the first 4 decimals coincide. The cubic root of 531123241 is about 809.8385295166.

Adding to 531123241 its reverse (142321135), we get a palindrome (673444376).

The spelling of 531123241 in words is "five hundred thirty-one million, one hundred twenty-three thousand, two hundred forty-one".