710561 has 2 divisors, whose sum is σ = 710562. Its totient is φ = 710560.

The previous prime is 710557. The next prime is 710569. The reversal of 710561 is 165017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516961 + 193600 = 719^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 710561 - 2² = 710557 is a prime.

It is not a weakly prime, because it can be changed into another prime (710569) 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 as a sum of consecutive naturals, namely, 355280 + 355281.

It is an arithmetic number, because the mean of its divisors is an integer number (355281).

2⁷¹⁰⁵⁶¹ is an apocalyptic number.

It is an amenable number.

710561 is a deficient number, since it is larger than the sum of its proper divisors (1).

710561 is an equidigital number, since it uses as much as digits as its factorization.

710561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 710561 is about 842.9478038408. The cubic root of 710561 is about 89.2347043335.

Adding to 710561 its reverse (165017), we get a palindrome (875578).

The spelling of 710561 in words is "seven hundred ten thousand, five hundred sixty-one".