321049667 has 2 divisors, whose sum is σ = 321049668. Its totient is φ = 321049666.

The previous prime is 321049657. The next prime is 321049681. The reversal of 321049667 is 766940123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321049667 - 2⁸ = 321049411 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321049667.

It is not a weakly prime, because it can be changed into another prime (321049627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160524833 + 160524834.

It is an arithmetic number, because the mean of its divisors is an integer number (160524834).

Almost surely, 2^321049667 is an apocalyptic number.

321049667 is a deficient number, since it is larger than the sum of its proper divisors (1).

321049667 is an equidigital number, since it uses as much as digits as its factorization.

321049667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 321049667 is about 17917.8588843645. The cubic root of 321049667 is about 684.7374396438.

The spelling of 321049667 in words is "three hundred twenty-one million, forty-nine thousand, six hundred sixty-seven".