19320563 has 2 divisors, whose sum is σ = 19320564. Its totient is φ = 19320562.

The previous prime is 19320523. The next prime is 19320569. The reversal of 19320563 is 36502391.

It is a strong prime.

It is an emirp because it is prime and its reverse (36502391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19320563 - 2¹² = 19316467 is a prime.

It is not a weakly prime, because it can be changed into another prime (19320569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9660281 + 9660282.

It is an arithmetic number, because the mean of its divisors is an integer number (9660282).

Almost surely, 2^19320563 is an apocalyptic number.

19320563 is a deficient number, since it is larger than the sum of its proper divisors (1).

19320563 is an equidigital number, since it uses as much as digits as its factorization.

19320563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 19320563 is about 4395.5162381682. The cubic root of 19320563 is about 268.3324890560.

The spelling of 19320563 in words is "nineteen million, three hundred twenty thousand, five hundred sixty-three".