803261 has 4 divisors (see below), whose sum is σ = 805500. Its totient is φ = 801024.

The previous prime is 803251. The next prime is 803269. The reversal of 803261 is 162308.

803261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 648025 + 155236 = 805^2 + 394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-803261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 803261.

It is not an unprimeable number, because it can be changed into a prime (803269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446 + ... + 1343.

It is an arithmetic number, because the mean of its divisors is an integer number (201375).

2⁸⁰³²⁶¹ is an apocalyptic number.

It is an amenable number.

803261 is a deficient number, since it is larger than the sum of its proper divisors (2239).

803261 is a wasteful number, since it uses less digits than its factorization.

803261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 803261 is about 896.2482914907. The cubic root of 803261 is about 92.9577408497.

Adding to 803261 its reverse (162308), we get a palindrome (965569).

The spelling of 803261 in words is "eight hundred three thousand, two hundred sixty-one".