249930727 has 2 divisors, whose sum is σ = 249930728. Its totient is φ = 249930726.

The previous prime is 249930713. The next prime is 249930763. The reversal of 249930727 is 727039942.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249930727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249930827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124965363 + 124965364.

It is an arithmetic number, because the mean of its divisors is an integer number (124965364).

Almost surely, 2^249930727 is an apocalyptic number.

249930727 is a deficient number, since it is larger than the sum of its proper divisors (1).

249930727 is an equidigital number, since it uses as much as digits as its factorization.

249930727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 249930727 is about 15809.1975444676. The cubic root of 249930727 is about 629.9023338984.

The spelling of 249930727 in words is "two hundred forty-nine million, nine hundred thirty thousand, seven hundred twenty-seven".