249271306 has 8 divisors (see below), whose sum is σ = 395901540. Its totient is φ = 117304128.

The previous prime is 249271277. The next prime is 249271313. The reversal of 249271306 is 603172942.

249271306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 223353025 + 25918281 = 14945^2 + 5091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 7331509 = 249271306 / (2 + 4 + 9 + 2 + 7 + 1 + 3 + 0 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665721 + ... + 3665788.

Almost surely, 2^249271306 is an apocalyptic number.

249271306 is a deficient number, since it is larger than the sum of its proper divisors (146630234).

249271306 is a wasteful number, since it uses less digits than its factorization.

249271306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331528.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 249271306 is about 15788.3281572179. The cubic root of 249271306 is about 629.3478646992.

The spelling of 249271306 in words is "two hundred forty-nine million, two hundred seventy-one thousand, three hundred six".