524217801421 has 8 divisors (see below), whose sum is σ = 535397241600. Its totient is φ = 513039439248.

The previous prime is 524217801397. The next prime is 524217801427. The reversal of 524217801421 is 124108712425.

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 524217801421 - 2¹⁷ = 524217670349 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 (524217801427) 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, 754480 + ... + 1271878.

It is an arithmetic number, because the mean of its divisors is an integer number (66924655200).

Almost surely, 2^524217801421 is an apocalyptic number.

It is an amenable number.

524217801421 is a deficient number, since it is larger than the sum of its proper divisors (11179440179).

524217801421 is a wasteful number, since it uses less digits than its factorization.

524217801421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539003.

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 524217801421 in words is "five hundred twenty-four billion, two hundred seventeen million, eight hundred one thousand, four hundred twenty-one".