610316321 has 4 divisors (see below), whose sum is σ = 610465200. Its totient is φ = 610167444.

The previous prime is 610316297. The next prime is 610316323. The reversal of 610316321 is 123613016.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610316321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (610316323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68111 + ... + 76548.

It is an arithmetic number, because the mean of its divisors is an integer number (152616300).

Almost surely, 2^610316321 is an apocalyptic number.

It is an amenable number.

610316321 is a deficient number, since it is larger than the sum of its proper divisors (148879).

610316321 is a wasteful number, since it uses less digits than its factorization.

610316321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148878.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 610316321 is about 24704.5809719574. The cubic root of 610316321 is about 848.2391788730.

Adding to 610316321 its reverse (123613016), we get a palindrome (733929337).

The spelling of 610316321 in words is "six hundred ten million, three hundred sixteen thousand, three hundred twenty-one".