412530221 has 8 divisors (see below), whose sum is σ = 414741600. Its totient is φ = 410325520.

The previous prime is 412530197. The next prime is 412530241. The reversal of 412530221 is 122035214.

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-412530221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 412530193 and 412530202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412530241) 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, 161726 + ... + 164256.

It is an arithmetic number, because the mean of its divisors is an integer number (51842700).

Almost surely, 2^412530221 is an apocalyptic number.

It is an amenable number.

412530221 is a deficient number, since it is larger than the sum of its proper divisors (2211379).

412530221 is a wasteful number, since it uses less digits than its factorization.

412530221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339.

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

The square root of 412530221 is about 20310.8399875534. The cubic root of 412530221 is about 744.4209551007.

Adding to 412530221 its reverse (122035214), we get a palindrome (534565435).

The spelling of 412530221 in words is "four hundred twelve million, five hundred thirty thousand, two hundred twenty-one".