19065061 has 2 divisors, whose sum is σ = 19065062. Its totient is φ = 19065060.

The previous prime is 19065043. The next prime is 19065071. The reversal of 19065061 is 16056091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16524225 + 2540836 = 4065^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 19065061 - 2⁵ = 19065029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19065071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9532530 + 9532531.

It is an arithmetic number, because the mean of its divisors is an integer number (9532531).

Almost surely, 2^19065061 is an apocalyptic number.

It is an amenable number.

19065061 is a deficient number, since it is larger than the sum of its proper divisors (1).

19065061 is an equidigital number, since it uses as much as digits as its factorization.

19065061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 19065061 is about 4366.3555741602. The cubic root of 19065061 is about 267.1443948633.

The spelling of 19065061 in words is "nineteen million, sixty-five thousand, sixty-one".