8650261 has 4 divisors (see below), whose sum is σ = 8668800. Its totient is φ = 8631724.

The previous prime is 8650259. The next prime is 8650283. The reversal of 8650261 is 1620568.

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.

It is a cyclic number.

It is not a de Polignac number, because 8650261 - 2¹ = 8650259 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 (8650211) 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, 8551 + ... + 9508.

It is an arithmetic number, because the mean of its divisors is an integer number (2167200).

Almost surely, 2^8650261 is an apocalyptic number.

It is an amenable number.

8650261 is a deficient number, since it is larger than the sum of its proper divisors (18539).

8650261 is a wasteful number, since it uses less digits than its factorization.

8650261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18538.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8650261 is about 2941.1326049670. The cubic root of 8650261 is about 205.2783132390.

It can be divided in two parts, 8650 and 261, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 8650261 in words is "eight million, six hundred fifty thousand, two hundred sixty-one".