421114193 has 2 divisors, whose sum is σ = 421114194. Its totient is φ = 421114192.

The previous prime is 421114129. The next prime is 421114201. The reversal of 421114193 is 391411124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215707969 + 205406224 = 14687^2 + 14332^2 .

It is a cyclic number.

It is not a de Polignac number, because 421114193 - 2⁶ = 421114129 is a prime.

It is not a weakly prime, because it can be changed into another prime (421114493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210557096 + 210557097.

It is an arithmetic number, because the mean of its divisors is an integer number (210557097).

Almost surely, 2^421114193 is an apocalyptic number.

It is an amenable number.

421114193 is a deficient number, since it is larger than the sum of its proper divisors (1).

421114193 is an equidigital number, since it uses as much as digits as its factorization.

421114193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 421114193 is about 20521.0670531530. The cubic root of 421114193 is about 749.5488801163.

The spelling of 421114193 in words is "four hundred twenty-one million, one hundred fourteen thousand, one hundred ninety-three".