802481 has 4 divisors (see below), whose sum is σ = 810852. Its totient is φ = 794112.

The previous prime is 802471. The next prime is 802499. The reversal of 802481 is 184208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 490000 + 312481 = 700^2 + 559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802481 is a prime.

It is a super-2 number, since 2×802481² = 1287951510722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 802481.

It is not an unprimeable number, because it can be changed into a prime (802421) 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 3 ways as a sum of consecutive naturals, for example, 4040 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (202713).

2⁸⁰²⁴⁸¹ is an apocalyptic number.

It is an amenable number.

802481 is a deficient number, since it is larger than the sum of its proper divisors (8371).

802481 is an equidigital number, since it uses as much as digits as its factorization.

802481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 802481 is about 895.8130385298. The cubic root of 802481 is about 92.9276424883.

Adding to 802481 its reverse (184208), we get a palindrome (986689).

The spelling of 802481 in words is "eight hundred two thousand, four hundred eighty-one".