524414221 has 4 divisors (see below), whose sum is σ = 542497500. Its totient is φ = 506330944.

The previous prime is 524414207. The next prime is 524414227. The reversal of 524414221 is 122414425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 391842025 + 132572196 = 19795^2 + 11514^2 .

It is a cyclic number.

It is not a de Polignac number, because 524414221 - 2¹¹ = 524412173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524414227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9041596 + ... + 9041653.

It is an arithmetic number, because the mean of its divisors is an integer number (135624375).

Almost surely, 2^524414221 is an apocalyptic number.

It is an amenable number.

524414221 is a deficient number, since it is larger than the sum of its proper divisors (18083279).

524414221 is a wasteful number, since it uses less digits than its factorization.

524414221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18083278.

The product of its digits is 2560, while the sum is 25.

The square root of 524414221 is about 22900.0921613866. The cubic root of 524414221 is about 806.4141756008.

Adding to 524414221 its reverse (122414425), we get a palindrome (646828646).

The spelling of 524414221 in words is "five hundred twenty-four million, four hundred fourteen thousand, two hundred twenty-one".