424753021 has 16 divisors (see below), whose sum is σ = 540374400. Its totient is φ = 330973440.

The previous prime is 424753013. The next prime is 424753031. The reversal of 424753021 is 120357424.

It is not a de Polignac number, because 424753021 - 2³ = 424753013 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 (424753001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52516 + ... + 60061.

It is an arithmetic number, because the mean of its divisors is an integer number (33773400).

Almost surely, 2^424753021 is an apocalyptic number.

It is an amenable number.

424753021 is a deficient number, since it is larger than the sum of its proper divisors (115621379).

424753021 is a wasteful number, since it uses less digits than its factorization.

424753021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112609 (or 112595 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 424753021 is about 20609.5371369665. The cubic root of 424753021 is about 751.7016302787.

The spelling of 424753021 in words is "four hundred twenty-four million, seven hundred fifty-three thousand, twenty-one".