421314033 has 16 divisors (see below), whose sum is σ = 642930560. Its totient is φ = 240402816.

The previous prime is 421313983. The next prime is 421314041. The reversal of 421314033 is 330413124.

It is a de Polignac number, because none of the positive numbers 2^k-421314033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421314083) 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, 741 + ... + 29037.

It is an arithmetic number, because the mean of its divisors is an integer number (40183160).

Almost surely, 2^421314033 is an apocalyptic number.

It is an amenable number.

421314033 is a deficient number, since it is larger than the sum of its proper divisors (221616527).

421314033 is a wasteful number, since it uses less digits than its factorization.

421314033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29016.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 421314033 is about 20525.9356181393. The cubic root of 421314033 is about 749.6674276604.

Adding to 421314033 its reverse (330413124), we get a palindrome (751727157).

Subtracting from 421314033 its reverse (330413124), we obtain a palindrome (90900909).

It can be divided in two parts, 42131 and 4033, that added together give a palindrome (46164).

The spelling of 421314033 in words is "four hundred twenty-one million, three hundred fourteen thousand, thirty-three".