424050521 has 4 divisors (see below), whose sum is σ = 425902500. Its totient is φ = 422198544.

The previous prime is 424050511. The next prime is 424050527. The reversal of 424050521 is 125050424.

It is a happy number.

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 345550921 + 78499600 = 18589^2 + 8860^2 .

It is a cyclic number.

It is not a de Polignac number, because 424050521 - 2¹⁰ = 424049497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424050527) 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 3 ways as a sum of consecutive naturals, for example, 925646 + ... + 926103.

It is an arithmetic number, because the mean of its divisors is an integer number (106475625).

Almost surely, 2^424050521 is an apocalyptic number.

It is an amenable number.

424050521 is a deficient number, since it is larger than the sum of its proper divisors (1851979).

424050521 is a wasteful number, since it uses less digits than its factorization.

424050521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851978.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 424050521 is about 20592.4870037594. The cubic root of 424050521 is about 751.2869879159.

The spelling of 424050521 in words is "four hundred twenty-four million, fifty thousand, five hundred twenty-one".