249713266 has 24 divisors (see below), whose sum is σ = 412629840. Its totient is φ = 113254680.

The previous prime is 249713227. The next prime is 249713267. The reversal of 249713266 is 662317942.

It is a happy number.

249713266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (249713267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148965 + ... + 150631.

It is an arithmetic number, because the mean of its divisors is an integer number (17192910).

Almost surely, 2^249713266 is an apocalyptic number.

249713266 is a deficient number, since it is larger than the sum of its proper divisors (162916574).

249713266 is a wasteful number, since it uses less digits than its factorization.

249713266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310 (or 2299 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 249713266 is about 15802.3183742133. The cubic root of 249713266 is about 629.7195913439.

The spelling of 249713266 in words is "two hundred forty-nine million, seven hundred thirteen thousand, two hundred sixty-six".