249325 has 6 divisors (see below), whose sum is σ = 309194. Its totient is φ = 199440.

The previous prime is 249317. The next prime is 249329. The reversal of 249325 is 523942.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 324 + 249001 = 18^2 + 499^2 .

It is not a de Polignac number, because 249325 - 2³ = 249317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 9973 = 249325 / (2 + 4 + 9 + 3 + 2 + 5).

It is an Ulam number.

It is a Duffinian number.

249325 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 249325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4962 + ... + 5011.

2²⁴⁹³²⁵ is an apocalyptic number.

249325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

249325 is a deficient number, since it is larger than the sum of its proper divisors (59869).

249325 is an equidigital number, since it uses as much as digits as its factorization.

249325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983 (or 9978 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 249325 is about 499.3245437589. The cubic root of 249325 is about 62.9393049440.

The spelling of 249325 in words is "two hundred forty-nine thousand, three hundred twenty-five".