324981 has 6 divisors (see below), whose sum is σ = 469430. Its totient is φ = 216648.

The previous prime is 324979. The next prime is 324983. The reversal of 324981 is 189423.

It is an interprime number because it is at equal distance from previous prime (324979) and next prime (324983).

It can be written as a sum of positive squares in only one way, i.e., 324900 + 81 = 570^2 + 9^2 .

It is not a de Polignac number, because 324981 - 2¹ = 324979 is a prime.

It is a super-2 number, since 2×324981² = 211225300722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324983) 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, 18046 + ... + 18063.

2³²⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

324981 is a deficient number, since it is larger than the sum of its proper divisors (144449).

324981 is a wasteful number, since it uses less digits than its factorization.

324981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36115 (or 36112 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 324981 is about 570.0710482036. The cubic root of 324981 is about 68.7521035169.

It can be divided in two parts, 3249 and 81, that multiplied together give a square (263169 = 513²).

The spelling of 324981 in words is "three hundred twenty-four thousand, nine hundred eighty-one".