1711961 has 2 divisors, whose sum is σ = 1711962. Its totient is φ = 1711960.

The previous prime is 1711949. The next prime is 1711967. The reversal of 1711961 is 1691171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 403225 = 1144^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1711961 - 2¹⁰ = 1710937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1711961.

It is not a weakly prime, because it can be changed into another prime (1711967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855980 + 855981.

It is an arithmetic number, because the mean of its divisors is an integer number (855981).

2^1711961 is an apocalyptic number.

It is an amenable number.

1711961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1711961 is an equidigital number, since it uses as much as digits as its factorization.

1711961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 26.

The square root of 1711961 is about 1308.4192753090. The cubic root of 1711961 is about 119.6275721937.

The spelling of 1711961 in words is "one million, seven hundred eleven thousand, nine hundred sixty-one".