1717461961 has 2 divisors, whose sum is σ = 1717461962. Its totient is φ = 1717461960.

The previous prime is 1717461953. The next prime is 1717461971. The reversal of 1717461961 is 1691647171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902702025 + 814759936 = 30045^2 + 28544^2 .

It is a cyclic number.

It is not a de Polignac number, because 1717461961 - 2³ = 1717461953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1717461971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858730980 + 858730981.

It is an arithmetic number, because the mean of its divisors is an integer number (858730981).

Almost surely, 2^1717461961 is an apocalyptic number.

It is an amenable number.

1717461961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1717461961 is an equidigital number, since it uses as much as digits as its factorization.

1717461961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 43.

The square root of 1717461961 is about 41442.2726331460. The cubic root of 1717461961 is about 1197.5556635170. Note that the first 3 decimals are identical.

The spelling of 1717461961 in words is "one billion, seven hundred seventeen million, four hundred sixty-one thousand, nine hundred sixty-one".