8541261 has 8 divisors (see below), whose sum is σ = 12653760. Its totient is φ = 5694156.

The previous prime is 8541251. The next prime is 8541277. The reversal of 8541261 is 1621458.

It is not a de Polignac number, because 8541261 - 2¹⁰ = 8540237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 316343 = 8541261 / (8 + 5 + 4 + 1 + 2 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8541251) 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, 158145 + ... + 158198.

It is an arithmetic number, because the mean of its divisors is an integer number (1581720).

Almost surely, 2^8541261 is an apocalyptic number.

It is an amenable number.

8541261 is a deficient number, since it is larger than the sum of its proper divisors (4112499).

8541261 is a wasteful number, since it uses less digits than its factorization.

8541261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316352 (or 316346 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 8541261 is about 2922.5435839351. The cubic root of 8541261 is about 204.4124441115.

The spelling of 8541261 in words is "eight million, five hundred forty-one thousand, two hundred sixty-one".