2610442321 has 2 divisors, whose sum is σ = 2610442322. Its totient is φ = 2610442320.

The previous prime is 2610442313. The next prime is 2610442333. The reversal of 2610442321 is 1232440162.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2574141696 + 36300625 = 50736^2 + 6025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2610442321 - 2³ = 2610442313 is a prime.

It is a super-2 number, since 2×2610442321² = 13628818222535734082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2610442301) 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, 1305221160 + 1305221161.

It is an arithmetic number, because the mean of its divisors is an integer number (1305221161).

Almost surely, 2^2610442321 is an apocalyptic number.

It is an amenable number.

2610442321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2610442321 is an equidigital number, since it uses as much as digits as its factorization.

2610442321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2610442321 is about 51092.4879116294. The cubic root of 2610442321 is about 1376.9072940180.

Adding to 2610442321 its reverse (1232440162), we get a palindrome (3842882483).

The spelling of 2610442321 in words is "two billion, six hundred ten million, four hundred forty-two thousand, three hundred twenty-one".