8261011 has 4 divisors (see below), whose sum is σ = 9012024. Its totient is φ = 7510000.

The previous prime is 8260999. The next prime is 8261017. The reversal of 8261011 is 1101628.

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

It is a cyclic number.

It is not a de Polignac number, because 8261011 - 2⁷ = 8260883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8261011.

It is not an unprimeable number, because it can be changed into a prime (8261017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375490 + ... + 375511.

It is an arithmetic number, because the mean of its divisors is an integer number (2253006).

Almost surely, 2^8261011 is an apocalyptic number.

8261011 is a deficient number, since it is larger than the sum of its proper divisors (751013).

8261011 is a wasteful number, since it uses less digits than its factorization.

8261011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751012.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 8261011 is about 2874.1974532032. The cubic root of 8261011 is about 202.1518562065.

Adding to 8261011 its reverse (1101628), we get a palindrome (9362639).

It can be divided in two parts, 82610 and 11, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 8261011 in words is "eight million, two hundred sixty-one thousand, eleven".