421343151 has 8 divisors (see below), whose sum is σ = 562181760. Its totient is φ = 280699992.

The previous prime is 421343129. The next prime is 421343159. The reversal of 421343151 is 151343124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421343151 - 2⁵ = 421343119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421343159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43755 + ... + 52508.

It is an arithmetic number, because the mean of its divisors is an integer number (70272720).

Almost surely, 2^421343151 is an apocalyptic number.

421343151 is a deficient number, since it is larger than the sum of its proper divisors (140838609).

421343151 is a wasteful number, since it uses less digits than its factorization.

421343151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97725.

The product of its digits is 1440, while the sum is 24.

The square root of 421343151 is about 20526.6449036368. The cubic root of 421343151 is about 749.6846976867.

Adding to 421343151 its reverse (151343124), we get a palindrome (572686275).

The spelling of 421343151 in words is "four hundred twenty-one million, three hundred forty-three thousand, one hundred fifty-one".