524361221 has 8 divisors (see below), whose sum is σ = 564796320. Its totient is φ = 485209872.

The previous prime is 524361193. The next prime is 524361251. The reversal of 524361221 is 122163425.

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 524361221 - 2¹⁰ = 524360197 is a prime.

It is a super-2 number, since 2×524361221² = 549909380177221682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524361251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320090 + ... + 321723.

It is an arithmetic number, because the mean of its divisors is an integer number (70599540).

Almost surely, 2^524361221 is an apocalyptic number.

It is an amenable number.

524361221 is a deficient number, since it is larger than the sum of its proper divisors (40435099).

524361221 is a wasteful number, since it uses less digits than its factorization.

524361221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641875.

The product of its digits is 2880, while the sum is 26.

The square root of 524361221 is about 22898.9349315640. The cubic root of 524361221 is about 806.3870078966.

The spelling of 524361221 in words is "five hundred twenty-four million, three hundred sixty-one thousand, two hundred twenty-one".