249834549 has 8 divisors (see below), whose sum is σ = 343858432. Its totient is φ = 161183520.

The previous prime is 249834539. The next prime is 249834551. The reversal of 249834549 is 945438942.

249834549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 249834549 - 2⁵ = 249834517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249834498 and 249834507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249834539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343104 + ... + 1343289.

It is an arithmetic number, because the mean of its divisors is an integer number (42982304).

Almost surely, 2^249834549 is an apocalyptic number.

It is an amenable number.

249834549 is a deficient number, since it is larger than the sum of its proper divisors (94023883).

249834549 is a wasteful number, since it uses less digits than its factorization.

249834549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686427.

The product of its digits is 1244160, while the sum is 48.

The square root of 249834549 is about 15806.1554149009. The cubic root of 249834549 is about 629.8215241474.

The spelling of 249834549 in words is "two hundred forty-nine million, eight hundred thirty-four thousand, five hundred forty-nine".