421367153 has 4 divisors (see below), whose sum is σ = 439687488. Its totient is φ = 403046820.

The previous prime is 421367147. The next prime is 421367171. The reversal of 421367153 is 351763124.

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 421367153 - 2²² = 417172849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421367113) 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, 9160133 + ... + 9160178.

It is an arithmetic number, because the mean of its divisors is an integer number (109921872).

Almost surely, 2^421367153 is an apocalyptic number.

It is an amenable number.

421367153 is a deficient number, since it is larger than the sum of its proper divisors (18320335).

421367153 is a wasteful number, since it uses less digits than its factorization.

421367153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18320334.

The product of its digits is 15120, while the sum is 32.

The square root of 421367153 is about 20527.2295500391. The cubic root of 421367153 is about 749.6989327905.

The spelling of 421367153 in words is "four hundred twenty-one million, three hundred sixty-seven thousand, one hundred fifty-three".