611322321 has 8 divisors (see below), whose sum is σ = 857996320. Its totient is φ = 386098272.

The previous prime is 611322319. The next prime is 611322337. The reversal of 611322321 is 123223116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 611322321 - 2¹ = 611322319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611322301) 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 in 7 ways as a sum of consecutive naturals, for example, 5362420 + ... + 5362533.

It is an arithmetic number, because the mean of its divisors is an integer number (107249540).

Almost surely, 2^611322321 is an apocalyptic number.

It is an amenable number.

611322321 is a deficient number, since it is larger than the sum of its proper divisors (246673999).

611322321 is a wasteful number, since it uses less digits than its factorization.

611322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724975.

The product of its digits is 432, while the sum is 21.

The square root of 611322321 is about 24724.9331849451. The cubic root of 611322321 is about 848.7049811458.

Adding to 611322321 its reverse (123223116), we get a palindrome (734545437).

The spelling of 611322321 in words is "six hundred eleven million, three hundred twenty-two thousand, three hundred twenty-one".