19248491 has 2 divisors, whose sum is σ = 19248492. Its totient is φ = 19248490.

The previous prime is 19248461. The next prime is 19248511. The reversal of 19248491 is 19484291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19248491 - 2¹⁰ = 19247467 is a prime.

It is not a weakly prime, because it can be changed into another prime (19248451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9624245 + 9624246.

It is an arithmetic number, because the mean of its divisors is an integer number (9624246).

Almost surely, 2^19248491 is an apocalyptic number.

19248491 is a deficient number, since it is larger than the sum of its proper divisors (1).

19248491 is an equidigital number, since it uses as much as digits as its factorization.

19248491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 19248491 is about 4387.3102238160. The cubic root of 19248491 is about 267.9984174184.

The spelling of 19248491 in words is "nineteen million, two hundred forty-eight thousand, four hundred ninety-one".