19605241 has 2 divisors, whose sum is σ = 19605242. Its totient is φ = 19605240.

The previous prime is 19605203. The next prime is 19605259. The reversal of 19605241 is 14250691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18662400 + 942841 = 4320^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 19605241 - 2¹⁵ = 19572473 is a prime.

It is not a weakly prime, because it can be changed into another prime (19605041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9802620 + 9802621.

It is an arithmetic number, because the mean of its divisors is an integer number (9802621).

Almost surely, 2^19605241 is an apocalyptic number.

It is an amenable number.

19605241 is a deficient number, since it is larger than the sum of its proper divisors (1).

19605241 is an equidigital number, since it uses as much as digits as its factorization.

19605241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 19605241 is about 4427.7805952870. The cubic root of 19605241 is about 269.6439797773.

The spelling of 19605241 in words is "nineteen million, six hundred five thousand, two hundred forty-one".