8851261 has 4 divisors (see below), whose sum is σ = 8859772. Its totient is φ = 8842752.

The previous prime is 8851253. The next prime is 8851267. The reversal of 8851261 is 1621588.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1425636 + 7425625 = 1194^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 8851261 - 2³ = 8851253 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 (8851267) 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, 2436 + ... + 4861.

It is an arithmetic number, because the mean of its divisors is an integer number (2214943).

Almost surely, 2^8851261 is an apocalyptic number.

It is an amenable number.

8851261 is a deficient number, since it is larger than the sum of its proper divisors (8511).

8851261 is a wasteful number, since it uses less digits than its factorization.

8851261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510.

The product of its digits is 3840, while the sum is 31.

The square root of 8851261 is about 2975.1068888361. The cubic root of 8851261 is about 206.8561238151.

The spelling of 8851261 in words is "eight million, eight hundred fifty-one thousand, two hundred sixty-one".