19247093 has 2 divisors, whose sum is σ = 19247094. Its totient is φ = 19247092.

The previous prime is 19247089. The next prime is 19247099. The reversal of 19247093 is 39074291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16957924 + 2289169 = 4118^2 + 1513^2 .

It is a cyclic number.

It is not a de Polignac number, because 19247093 - 2² = 19247089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19247099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9623546 + 9623547.

It is an arithmetic number, because the mean of its divisors is an integer number (9623547).

Almost surely, 2^19247093 is an apocalyptic number.

It is an amenable number.

19247093 is a deficient number, since it is larger than the sum of its proper divisors (1).

19247093 is an equidigital number, since it uses as much as digits as its factorization.

19247093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 19247093 is about 4387.1508977923. The cubic root of 19247093 is about 267.9919291028.

The spelling of 19247093 in words is "nineteen million, two hundred forty-seven thousand, ninety-three".