17641361 has 2 divisors, whose sum is σ = 17641362. Its totient is φ = 17641360.

The previous prime is 17641339. The next prime is 17641369. The reversal of 17641361 is 16314671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16248961 + 1392400 = 4031^2 + 1180^2 .

It is an emirp because it is prime and its reverse (16314671) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17641361 is a prime.

It is a super-2 number, since 2×17641361² = 622435235864642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17641369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8820680 + 8820681.

It is an arithmetic number, because the mean of its divisors is an integer number (8820681).

Almost surely, 2^17641361 is an apocalyptic number.

It is an amenable number.

17641361 is a deficient number, since it is larger than the sum of its proper divisors (1).

17641361 is an equidigital number, since it uses as much as digits as its factorization.

17641361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 17641361 is about 4200.1620206844. The cubic root of 17641361 is about 260.3218942123.

It can be divided in two parts, 1764 and 1361, that added together give a 5-th power (3125 = 5⁵).

The spelling of 17641361 in words is "seventeen million, six hundred forty-one thousand, three hundred sixty-one".