421074583 has 4 divisors (see below), whose sum is σ = 421844920. Its totient is φ = 420304248.

The previous prime is 421074539. The next prime is 421074607. The reversal of 421074583 is 385470124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421074583 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 (421071583) 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, 384348 + ... + 385441.

It is an arithmetic number, because the mean of its divisors is an integer number (105461230).

Almost surely, 2^421074583 is an apocalyptic number.

421074583 is a deficient number, since it is larger than the sum of its proper divisors (770337).

421074583 is an equidigital number, since it uses as much as digits as its factorization.

421074583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770336.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 421074583 is about 20520.1019246981. The cubic root of 421074583 is about 749.5253785241.

The spelling of 421074583 in words is "four hundred twenty-one million, seventy-four thousand, five hundred eighty-three".