708112081 has 2 divisors, whose sum is σ = 708112082. Its totient is φ = 708112080.

The previous prime is 708112057. The next prime is 708112087. The reversal of 708112081 is 180211807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 669981456 + 38130625 = 25884^2 + 6175^2 .

It is an emirp because it is prime and its reverse (180211807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 708112081 - 2⁵ = 708112049 is a prime.

It is a super-2 number, since 2×708112081² = 1002845438516301122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (708112087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354056040 + 354056041.

It is an arithmetic number, because the mean of its divisors is an integer number (354056041).

Almost surely, 2^708112081 is an apocalyptic number.

It is an amenable number.

708112081 is a deficient number, since it is larger than the sum of its proper divisors (1).

708112081 is an equidigital number, since it uses as much as digits as its factorization.

708112081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 708112081 is about 26610.3754389148. The cubic root of 708112081 is about 891.3207176822.

Adding to 708112081 its reverse (180211807), we get a palindrome (888323888).

The spelling of 708112081 in words is "seven hundred eight million, one hundred twelve thousand, eighty-one".