8371261 has 4 divisors (see below), whose sum is σ = 8404092. Its totient is φ = 8338432.

The previous prime is 8371249. The next prime is 8371273. The reversal of 8371261 is 1621738.

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

It is an interprime number because it is at equal distance from previous prime (8371249) and next prime (8371273).

It can be written as a sum of positive squares in 2 ways, for example, as 4024036 + 4347225 = 2006^2 + 2085^2 .

It is a cyclic number.

It is not a de Polignac number, because 8371261 - 2⁷ = 8371133 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 (8371211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16030 + ... + 16543.

It is an arithmetic number, because the mean of its divisors is an integer number (2101023).

Almost surely, 2^8371261 is an apocalyptic number.

It is an amenable number.

8371261 is a deficient number, since it is larger than the sum of its proper divisors (32831).

8371261 is a wasteful number, since it uses less digits than its factorization.

8371261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32830.

The product of its digits is 2016, while the sum is 28.

The square root of 8371261 is about 2893.3131527714. The cubic root of 8371261 is about 203.0471793728.

Adding to 8371261 its reverse (1621738), we get a palindrome (9992999).

The spelling of 8371261 in words is "eight million, three hundred seventy-one thousand, two hundred sixty-one".