500453421 has 16 divisors (see below), whose sum is σ = 736128960. Its totient is φ = 300458880.

The previous prime is 500453363. The next prime is 500453431. The reversal of 500453421 is 124354005.

It is not a de Polignac number, because 500453421 - 2¹⁰ = 500452397 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 500453391 and 500453400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500453431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154891 + ... + 158088.

It is an arithmetic number, because the mean of its divisors is an integer number (46008060).

Almost surely, 2^500453421 is an apocalyptic number.

It is an amenable number.

500453421 is a deficient number, since it is larger than the sum of its proper divisors (235675539).

500453421 is a wasteful number, since it uses less digits than its factorization.

500453421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313036.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 500453421 is about 22370.8162792510. The cubic root of 500453421 is about 793.9403738215.

The spelling of 500453421 in words is "five hundred million, four hundred fifty-three thousand, four hundred twenty-one".