524382121 has 4 divisors (see below), whose sum is σ = 551981200. Its totient is φ = 496783044.

The previous prime is 524382091. The next prime is 524382137. The reversal of 524382121 is 121283425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-524382121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 524382121.

It is not an unprimeable number, because it can be changed into a prime (524382421) 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, 13799511 + ... + 13799548.

It is an arithmetic number, because the mean of its divisors is an integer number (137995300).

Almost surely, 2^524382121 is an apocalyptic number.

It is an amenable number.

524382121 is a deficient number, since it is larger than the sum of its proper divisors (27599079).

524382121 is a wasteful number, since it uses less digits than its factorization.

524382121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27599078.

The product of its digits is 3840, while the sum is 28.

The square root of 524382121 is about 22899.3912801192. The cubic root of 524382121 is about 806.3977214174.

The spelling of 524382121 in words is "five hundred twenty-four million, three hundred eighty-two thousand, one hundred twenty-one".