249364573 has 2 divisors, whose sum is σ = 249364574. Its totient is φ = 249364572.

The previous prime is 249364559. The next prime is 249364579. The reversal of 249364573 is 375463942.

249364573 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., 244515769 + 4848804 = 15637^2 + 2202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249364573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249364579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124682286 + 124682287.

It is an arithmetic number, because the mean of its divisors is an integer number (124682287).

Almost surely, 2^249364573 is an apocalyptic number.

It is an amenable number.

249364573 is a deficient number, since it is larger than the sum of its proper divisors (1).

249364573 is an equidigital number, since it uses as much as digits as its factorization.

249364573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 43.

The square root of 249364573 is about 15791.2815502732. The cubic root of 249364573 is about 629.4263468813.

The spelling of 249364573 in words is "two hundred forty-nine million, three hundred sixty-four thousand, five hundred seventy-three".