19262081 has 2 divisors, whose sum is σ = 19262082. Its totient is φ = 19262080.

The previous prime is 19262077. The next prime is 19262099. The reversal of 19262081 is 18026291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19228225 + 33856 = 4385^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 19262081 - 2² = 19262077 is a prime.

It is a super-2 number, since 2×19262081² = 742055528901122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19262041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9631040 + 9631041.

It is an arithmetic number, because the mean of its divisors is an integer number (9631041).

Almost surely, 2^19262081 is an apocalyptic number.

It is an amenable number.

19262081 is a deficient number, since it is larger than the sum of its proper divisors (1).

19262081 is an equidigital number, since it uses as much as digits as its factorization.

19262081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 19262081 is about 4388.8587354801. The cubic root of 19262081 is about 268.0614741655.

The spelling of 19262081 in words is "nineteen million, two hundred sixty-two thousand, eighty-one".