711871801 has 2 divisors, whose sum is σ = 711871802. Its totient is φ = 711871800.

The previous prime is 711871747. The next prime is 711871819. The reversal of 711871801 is 108178117.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478515625 + 233356176 = 21875^2 + 15276^2 .

It is an emirp because it is prime and its reverse (108178117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 711871801 - 2⁹ = 711871289 is a prime.

It is a super-2 number, since 2×711871801² = 1013522922117967202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (711871871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355935900 + 355935901.

It is an arithmetic number, because the mean of its divisors is an integer number (355935901).

Almost surely, 2^711871801 is an apocalyptic number.

It is an amenable number.

711871801 is a deficient number, since it is larger than the sum of its proper divisors (1).

711871801 is an equidigital number, since it uses as much as digits as its factorization.

711871801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 34.

The square root of 711871801 is about 26680.9257897847. The cubic root of 711871801 is about 892.8954226550.

The spelling of 711871801 in words is "seven hundred eleven million, eight hundred seventy-one thousand, eight hundred one".