249223083 has 8 divisors (see below), whose sum is σ = 341278608. Its totient is φ = 161658144.

The previous prime is 249223069. The next prime is 249223087. The reversal of 249223083 is 380322942.

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

It is not a de Polignac number, because 249223083 - 2⁴ = 249223067 is a prime.

It is a super-2 number, since 2×249223083² = 124224290200049778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (249223087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122516 + ... + 1122737.

It is an arithmetic number, because the mean of its divisors is an integer number (42659826).

Almost surely, 2^249223083 is an apocalyptic number.

249223083 is a deficient number, since it is larger than the sum of its proper divisors (92055525).

249223083 is a wasteful number, since it uses less digits than its factorization.

249223083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245293.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 249223083 is about 15786.8009108876. The cubic root of 249223083 is about 629.3072784000.

The spelling of 249223083 in words is "two hundred forty-nine million, two hundred twenty-three thousand, eighty-three".