701611321 has 2 divisors, whose sum is σ = 701611322. Its totient is φ = 701611320.

The previous prime is 701611307. The next prime is 701611327. The reversal of 701611321 is 123116107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 598487296 + 103124025 = 24464^2 + 10155^2 .

It is a cyclic number.

It is not a de Polignac number, because 701611321 - 2⁵ = 701611289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 701611292 and 701611301.

It is not a weakly prime, because it can be changed into another prime (701611327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350805660 + 350805661.

It is an arithmetic number, because the mean of its divisors is an integer number (350805661).

Almost surely, 2^701611321 is an apocalyptic number.

It is an amenable number.

701611321 is a deficient number, since it is larger than the sum of its proper divisors (1).

701611321 is an equidigital number, since it uses as much as digits as its factorization.

701611321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 701611321 is about 26487.9467116649. The cubic root of 701611321 is about 888.5847645983.

Adding to 701611321 its reverse (123116107), we get a palindrome (824727428).

The spelling of 701611321 in words is "seven hundred one million, six hundred eleven thousand, three hundred twenty-one".