421524341 has 8 divisors (see below), whose sum is σ = 491992320. Its totient is φ = 353618928.

The previous prime is 421524331. The next prime is 421524347. The reversal of 421524341 is 143425124.

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 421524341 - 2⁶ = 421524277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421524341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421524347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640286 + ... + 640943.

It is an arithmetic number, because the mean of its divisors is an integer number (61499040).

Almost surely, 2^421524341 is an apocalyptic number.

It is an amenable number.

421524341 is a deficient number, since it is larger than the sum of its proper divisors (70467979).

421524341 is a wasteful number, since it uses less digits than its factorization.

421524341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281283.

The product of its digits is 3840, while the sum is 26.

The square root of 421524341 is about 20531.0579610501. The cubic root of 421524341 is about 749.7921444742.

Adding to 421524341 its reverse (143425124), we get a palindrome (564949465).

The spelling of 421524341 in words is "four hundred twenty-one million, five hundred twenty-four thousand, three hundred forty-one".