249992713 has 2 divisors, whose sum is σ = 249992714. Its totient is φ = 249992712.

The previous prime is 249992657. The next prime is 249992741. The reversal of 249992713 is 317299942.

It is a happy number.

249992713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234334864 + 15657849 = 15308^2 + 3957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249992713 is a prime.

It is not a weakly prime, because it can be changed into another prime (249912713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124996356 + 124996357.

It is an arithmetic number, because the mean of its divisors is an integer number (124996357).

Almost surely, 2^249992713 is an apocalyptic number.

It is an amenable number.

249992713 is a deficient number, since it is larger than the sum of its proper divisors (1).

249992713 is an equidigital number, since it uses as much as digits as its factorization.

249992713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 249992713 is about 15811.1578639896. The cubic root of 249992713 is about 629.9544041915.

The spelling of 249992713 in words is "two hundred forty-nine million, nine hundred ninety-two thousand, seven hundred thirteen".