19024081 has 2 divisors, whose sum is σ = 19024082. Its totient is φ = 19024080.

The previous prime is 19024079. The next prime is 19024091. The reversal of 19024081 is 18042091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13571856 + 5452225 = 3684^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 19024081 - 2¹ = 19024079 is a prime.

It is a super-2 number, since 2×19024081² = 723831315789122, which contains 22 as substring.

Together with 19024079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (19024001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9512040 + 9512041.

It is an arithmetic number, because the mean of its divisors is an integer number (9512041).

Almost surely, 2^19024081 is an apocalyptic number.

It is an amenable number.

19024081 is a deficient number, since it is larger than the sum of its proper divisors (1).

19024081 is an equidigital number, since it uses as much as digits as its factorization.

19024081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 19024081 is about 4361.6603489956. The cubic root of 19024081 is about 266.9528502265.

The spelling of 19024081 in words is "nineteen million, twenty-four thousand, eighty-one".