1711261213 has 2 divisors, whose sum is σ = 1711261214. Its totient is φ = 1711261212.

The previous prime is 1711261199. The next prime is 1711261217. The reversal of 1711261213 is 3121621171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1520766009 + 190495204 = 38997^2 + 13802^2 .

It is an emirp because it is prime and its reverse (3121621171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1711261213 - 2²⁵ = 1677706781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1711261217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855630606 + 855630607.

It is an arithmetic number, because the mean of its divisors is an integer number (855630607).

Almost surely, 2^1711261213 is an apocalyptic number.

It is an amenable number.

1711261213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1711261213 is an equidigital number, since it uses as much as digits as its factorization.

1711261213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 25.

The square root of 1711261213 is about 41367.3931134172. The cubic root of 1711261213 is about 1196.1127018119.

Adding to 1711261213 its reverse (3121621171), we get a palindrome (4832882384).

The spelling of 1711261213 in words is "one billion, seven hundred eleven million, two hundred sixty-one thousand, two hundred thirteen".