8003261 has 8 divisors (see below), whose sum is σ = 9297024. Its totient is φ = 6747120.

The previous prime is 8003257. The next prime is 8003263. The reversal of 8003261 is 1623008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8003261 - 2² = 8003257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8003263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8945 + ... + 9798.

It is an arithmetic number, because the mean of its divisors is an integer number (1162128).

Almost surely, 2^8003261 is an apocalyptic number.

It is an amenable number.

8003261 is a deficient number, since it is larger than the sum of its proper divisors (1293763).

8003261 is a wasteful number, since it uses less digits than its factorization.

8003261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18811.

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

The square root of 8003261 is about 2829.0035348157. The cubic root of 8003261 is about 200.0271713084.

Subtracting from 8003261 its sum of digits (20), we obtain a square (8003241 = 2829²).

Adding to 8003261 its reverse (1623008), we get a palindrome (9626269).

The spelling of 8003261 in words is "eight million, three thousand, two hundred sixty-one".