18965341 has 2 divisors, whose sum is σ = 18965342. Its totient is φ = 18965340.

The previous prime is 18965281. The next prime is 18965347. The reversal of 18965341 is 14356981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15832441 + 3132900 = 3979^2 + 1770^2 .

It is a cyclic number.

It is not a de Polignac number, because 18965341 - 2¹³ = 18957149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18965341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18965347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9482670 + 9482671.

It is an arithmetic number, because the mean of its divisors is an integer number (9482671).

Almost surely, 2^18965341 is an apocalyptic number.

It is an amenable number.

18965341 is a deficient number, since it is larger than the sum of its proper divisors (1).

18965341 is an equidigital number, since it uses as much as digits as its factorization.

18965341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 18965341 is about 4354.9214688671. The cubic root of 18965341 is about 266.6778132493.

It can be divided in two parts, 18965 and 341, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 18965341 in words is "eighteen million, nine hundred sixty-five thousand, three hundred forty-one".