421050353 has 4 divisors (see below), whose sum is σ = 423633648. Its totient is φ = 418467060.

The previous prime is 421050347. The next prime is 421050419. The reversal of 421050353 is 353050124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421050353 - 2¹⁴ = 421033969 is a prime.

It is a super-2 number, since 2×421050353² = 354566799522849218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421050053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291403 + ... + 1291728.

It is an arithmetic number, because the mean of its divisors is an integer number (105908412).

Almost surely, 2^421050353 is an apocalyptic number.

It is an amenable number.

421050353 is a deficient number, since it is larger than the sum of its proper divisors (2583295).

421050353 is a wasteful number, since it uses less digits than its factorization.

421050353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583294.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 421050353 is about 20519.5115195270. The cubic root of 421050353 is about 749.5110015396.

The spelling of 421050353 in words is "four hundred twenty-one million, fifty thousand, three hundred fifty-three".