249348105 has 16 divisors (see below), whose sum is σ = 443285760. Its totient is φ = 132985584.

The previous prime is 249348091. The next prime is 249348131. The reversal of 249348105 is 501843942.

It is not a de Polignac number, because 249348105 - 2⁴ = 249348089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249348105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923377 + ... + 923646.

It is an arithmetic number, because the mean of its divisors is an integer number (27705360).

Almost surely, 2^249348105 is an apocalyptic number.

It is an amenable number.

249348105 is a deficient number, since it is larger than the sum of its proper divisors (193937655).

249348105 is a wasteful number, since it uses less digits than its factorization.

249348105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847037 (or 1847031 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 249348105 is about 15790.7601147000. The cubic root of 249348105 is about 629.4124908349.

The spelling of 249348105 in words is "two hundred forty-nine million, three hundred forty-eight thousand, one hundred five".