19098061 has 2 divisors, whose sum is σ = 19098062. Its totient is φ = 19098060.

The previous prime is 19098049. The next prime is 19098067. The reversal of 19098061 is 16089091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18922500 + 175561 = 4350^2 + 419^2 .

It is an emirp because it is prime and its reverse (16089091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19098061 - 2⁵ = 19098029 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19098067) 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, 9549030 + 9549031.

It is an arithmetic number, because the mean of its divisors is an integer number (9549031).

Almost surely, 2^19098061 is an apocalyptic number.

It is an amenable number.

19098061 is a deficient number, since it is larger than the sum of its proper divisors (1).

19098061 is an equidigital number, since it uses as much as digits as its factorization.

19098061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 19098061 is about 4370.1328355097. The cubic root of 19098061 is about 267.2984407638.

The spelling of 19098061 in words is "nineteen million, ninety-eight thousand, sixty-one".