524412421 has 8 divisors (see below), whose sum is σ = 565246584. Its totient is φ = 483648960.

The previous prime is 524412419. The next prime is 524412463. The reversal of 524412421 is 124214425.

It can be written as a sum of positive squares in 4 ways, for example, as 160022500 + 364389921 = 12650^2 + 19089^2 .

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 524412421 - 2¹ = 524412419 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 (524412491) 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, 1726 + ... + 32431.

It is an arithmetic number, because the mean of its divisors is an integer number (70655823).

Almost surely, 2^524412421 is an apocalyptic number.

It is an amenable number.

524412421 is a deficient number, since it is larger than the sum of its proper divisors (40834163).

524412421 is a wasteful number, since it uses less digits than its factorization.

524412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35351.

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

The square root of 524412421 is about 22900.0528602010. The cubic root of 524412421 is about 806.4132529541.

Adding to 524412421 its reverse (124214425), we get a palindrome (648626846).

The spelling of 524412421 in words is "five hundred twenty-four million, four hundred twelve thousand, four hundred twenty-one".