421354313 has 2 divisors, whose sum is σ = 421354314. Its totient is φ = 421354312.

The previous prime is 421354301. The next prime is 421354343. The reversal of 421354313 is 313453124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334268089 + 87086224 = 18283^2 + 9332^2 .

It is a cyclic number.

It is not a de Polignac number, because 421354313 - 2⁸ = 421354057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (421354343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210677156 + 210677157.

It is an arithmetic number, because the mean of its divisors is an integer number (210677157).

Almost surely, 2^421354313 is an apocalyptic number.

It is an amenable number.

421354313 is a deficient number, since it is larger than the sum of its proper divisors (1).

421354313 is an equidigital number, since it uses as much as digits as its factorization.

421354313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 421354313 is about 20526.9167923485. The cubic root of 421354313 is about 749.6913177118.

The spelling of 421354313 in words is "four hundred twenty-one million, three hundred fifty-four thousand, three hundred thirteen".