524103221 has 8 divisors (see below), whose sum is σ = 536848224. Its totient is φ = 511383600.

The previous prime is 524103211. The next prime is 524103247. The reversal of 524103221 is 122301425.

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-524103221 is a prime.

It is a super-3 number, since 3×524103221³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 524103193 and 524103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524103211) 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, 39395 + ... + 50991.

It is an arithmetic number, because the mean of its divisors is an integer number (67106028).

Almost surely, 2^524103221 is an apocalyptic number.

It is an amenable number.

524103221 is a deficient number, since it is larger than the sum of its proper divisors (12745003).

524103221 is a wasteful number, since it uses less digits than its factorization.

524103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 524103221 is about 22893.3007886587. The cubic root of 524103221 is about 806.2547314106.

Adding to 524103221 its reverse (122301425), we get a palindrome (646404646).

The spelling of 524103221 in words is "five hundred twenty-four million, one hundred three thousand, two hundred twenty-one".