8042261 has 4 divisors (see below), whose sum is σ = 8048832. Its totient is φ = 8035692.

The previous prime is 8042239. The next prime is 8042267. The reversal of 8042261 is 1622408.

8042261 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8042261 - 2⁶ = 8042197 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 (8042267) 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, 845 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (2012208).

Almost surely, 2^8042261 is an apocalyptic number.

It is an amenable number.

8042261 is a deficient number, since it is larger than the sum of its proper divisors (6571).

8042261 is a wasteful number, since it uses less digits than its factorization.

8042261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8042261 is about 2835.8880443346. Note that the first 3 decimals coincide. The cubic root of 8042261 is about 200.3515566774.

Adding to 8042261 its reverse (1622408), we get a palindrome (9664669).

The spelling of 8042261 in words is "eight million, forty-two thousand, two hundred sixty-one".