19056061 has 2 divisors, whose sum is σ = 19056062. Its totient is φ = 19056060.

The previous prime is 19056047. The next prime is 19056071. The reversal of 19056061 is 16065091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16760836 + 2295225 = 4094^2 + 1515^2 .

It is a cyclic number.

It is not a de Polignac number, because 19056061 - 2⁹ = 19055549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19056071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9528030 + 9528031.

It is an arithmetic number, because the mean of its divisors is an integer number (9528031).

Almost surely, 2^19056061 is an apocalyptic number.

It is an amenable number.

19056061 is a deficient number, since it is larger than the sum of its proper divisors (1).

19056061 is an equidigital number, since it uses as much as digits as its factorization.

19056061 is an odious number, because the sum of its binary digits is odd.

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

The square root of 19056061 is about 4365.3248447281. The cubic root of 19056061 is about 267.1023514978.

The spelling of 19056061 in words is "nineteen million, fifty-six thousand, sixty-one".