325240 has 32 divisors (see below), whose sum is σ = 751680. Its totient is φ = 126592.

The previous prime is 325231. The next prime is 325249. The reversal of 325240 is 42523.

325240 = T₁₀₇ + T₁₀₈ + ... + T₁₄₆.

325240 = 135² + 136² + ... + 150².

It is an interprime number because it is at equal distance from previous prime (325231) and next prime (325249).

It is a d-powerful number, because it can be written as 3¹¹ + 2⁹ + 2¹⁷ + 5³ + 4⁷ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794 + ... + 1966.

It is an arithmetic number, because the mean of its divisors is an integer number (23490).

2³²⁵²⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375840).

325240 is an abundant number, since it is smaller than the sum of its proper divisors (426440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325240 is a wasteful number, since it uses less digits than its factorization.

325240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 325240 is about 570.2981676281. The cubic root of 325240 is about 68.7703631140.

Adding to 325240 its reverse (42523), we get a palindrome (367763).

It can be divided in two parts, 325 and 240, that added together give a palindrome (565).

The spelling of 325240 in words is "three hundred twenty-five thousand, two hundred forty".