711564941 has 2 divisors, whose sum is σ = 711564942. Its totient is φ = 711564940.

The previous prime is 711564899. The next prime is 711564943. The reversal of 711564941 is 149465117.

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., 499746025 + 211818916 = 22355^2 + 14554^2 .

It is a cyclic number.

It is not a de Polignac number, because 711564941 - 2²² = 707370637 is a prime.

Together with 711564943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 711564895 and 711564904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (711564943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355782470 + 355782471.

It is an arithmetic number, because the mean of its divisors is an integer number (355782471).

Almost surely, 2^711564941 is an apocalyptic number.

It is an amenable number.

711564941 is a deficient number, since it is larger than the sum of its proper divisors (1).

711564941 is an equidigital number, since it uses as much as digits as its factorization.

711564941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 711564941 is about 26675.1746198596. The cubic root of 711564941 is about 892.7671068226.

The spelling of 711564941 in words is "seven hundred eleven million, five hundred sixty-four thousand, nine hundred forty-one".