249992299 has 2 divisors, whose sum is σ = 249992300. Its totient is φ = 249992298.

The previous prime is 249992297. The next prime is 249992317. The reversal of 249992299 is 992299942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249992299 - 2¹ = 249992297 is a prime.

It is a super-2 number, since 2×249992299² = 124992299118610802, which contains 22 as substring.

Together with 249992297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (249992297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124996149 + 124996150.

It is an arithmetic number, because the mean of its divisors is an integer number (124996150).

Almost surely, 2^249992299 is an apocalyptic number.

249992299 is a deficient number, since it is larger than the sum of its proper divisors (1).

249992299 is an equidigital number, since it uses as much as digits as its factorization.

249992299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 55.

The square root of 249992299 is about 15811.1447719639. The cubic root of 249992299 is about 629.9540564463.

The spelling of 249992299 in words is "two hundred forty-nine million, nine hundred ninety-two thousand, two hundred ninety-nine".