249197 has 8 divisors (see below), whose sum is σ = 278040. Its totient is φ = 221760.

The previous prime is 249187. The next prime is 249199. The reversal of 249197 is 791942.

It can be written as a sum of positive squares in 4 ways, for example, as 32041 + 217156 = 179^2 + 466^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 249197 - 2⁴ = 249181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249199) 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, 47 + ... + 707.

It is an arithmetic number, because the mean of its divisors is an integer number (34755).

2²⁴⁹¹⁹⁷ is an apocalyptic number.

It is an amenable number.

249197 is a deficient number, since it is larger than the sum of its proper divisors (28843).

249197 is a wasteful number, since it uses less digits than its factorization.

249197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703.

The product of its digits is 4536, while the sum is 32.

The square root of 249197 is about 499.1963541534. The cubic root of 249197 is about 62.9285323780.

The spelling of 249197 in words is "two hundred forty-nine thousand, one hundred ninety-seven".