249434901 has 6 divisors (see below), whose sum is σ = 360294870. Its totient is φ = 166289928.

The previous prime is 249434891. The next prime is 249434909. The reversal of 249434901 is 109434942.

It can be written as a sum of positive squares in only one way, i.e., 168974001 + 80460900 = 12999^2 + 8970^2 .

It is not a de Polignac number, because 249434901 - 2¹¹ = 249432853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249434909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13857486 + ... + 13857503.

It is an arithmetic number, because the mean of its divisors is an integer number (60049145).

Almost surely, 2^249434901 is an apocalyptic number.

It is an amenable number.

249434901 is a deficient number, since it is larger than the sum of its proper divisors (110859969).

249434901 is a wasteful number, since it uses less digits than its factorization.

249434901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27714995 (or 27714992 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 249434901 is about 15793.5081916590. The cubic root of 249434901 is about 629.4855134458.

The spelling of 249434901 in words is "two hundred forty-nine million, four hundred thirty-four thousand, nine hundred one".