321061427 has 2 divisors, whose sum is σ = 321061428. Its totient is φ = 321061426.

The previous prime is 321061423. The next prime is 321061459. The reversal of 321061427 is 724160123.

It is a weak prime.

It is an emirp because it is prime and its reverse (724160123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321061427 - 2² = 321061423 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 321061396 and 321061405.

It is not a weakly prime, because it can be changed into another prime (321061423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160530713 + 160530714.

It is an arithmetic number, because the mean of its divisors is an integer number (160530714).

Almost surely, 2^321061427 is an apocalyptic number.

321061427 is a deficient number, since it is larger than the sum of its proper divisors (1).

321061427 is an equidigital number, since it uses as much as digits as its factorization.

321061427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 321061427 is about 17918.1870455691. The cubic root of 321061427 is about 684.7458001508.

It can be divided in two parts, 32106 and 1427, that added together give a palindrome (33533).

The spelling of 321061427 in words is "three hundred twenty-one million, sixty-one thousand, four hundred twenty-seven".