427332193 has 2 divisors, whose sum is σ = 427332194. Its totient is φ = 427332192.

The previous prime is 427332161. The next prime is 427332229. The reversal of 427332193 is 391233724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410953984 + 16378209 = 20272^2 + 4047^2 .

It is a cyclic number.

It is not a de Polignac number, because 427332193 - 2⁵ = 427332161 is a prime.

It is a super-2 number, since 2×427332193² = 365225606348378498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427332133) 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, 213666096 + 213666097.

It is an arithmetic number, because the mean of its divisors is an integer number (213666097).

Almost surely, 2^427332193 is an apocalyptic number.

It is an amenable number.

427332193 is a deficient number, since it is larger than the sum of its proper divisors (1).

427332193 is an equidigital number, since it uses as much as digits as its factorization.

427332193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 34.

The square root of 427332193 is about 20672.0147300644. The cubic root of 427332193 is about 753.2200474223.

The spelling of 427332193 in words is "four hundred twenty-seven million, three hundred thirty-two thousand, one hundred ninety-three".