421303151 has 2 divisors, whose sum is σ = 421303152. Its totient is φ = 421303150.

The previous prime is 421303133. The next prime is 421303153. The reversal of 421303151 is 151303124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421303151 - 2⁶ = 421303087 is a prime.

Together with 421303153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421303153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210651575 + 210651576.

It is an arithmetic number, because the mean of its divisors is an integer number (210651576).

Almost surely, 2^421303151 is an apocalyptic number.

421303151 is a deficient number, since it is larger than the sum of its proper divisors (1).

421303151 is an equidigital number, since it uses as much as digits as its factorization.

421303151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 421303151 is about 20525.6705371591. The cubic root of 421303151 is about 749.6609732895.

Adding to 421303151 its reverse (151303124), we get a palindrome (572606275).

The spelling of 421303151 in words is "four hundred twenty-one million, three hundred three thousand, one hundred fifty-one".