8207261 has 4 divisors (see below), whose sum is σ = 8490300. Its totient is φ = 7924224.

The previous prime is 8207249. The next prime is 8207273. The reversal of 8207261 is 1627028.

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 (8207249) and next prime (8207273).

It can be written as a sum of positive squares in 2 ways, for example, as 6300100 + 1907161 = 2510^2 + 1381^2 .

It is a cyclic number.

It is not a de Polignac number, because 8207261 - 2⁶ = 8207197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8207261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8207161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141476 + ... + 141533.

It is an arithmetic number, because the mean of its divisors is an integer number (2122575).

Almost surely, 2^8207261 is an apocalyptic number.

It is an amenable number.

8207261 is a deficient number, since it is larger than the sum of its proper divisors (283039).

8207261 is a wasteful number, since it uses less digits than its factorization.

8207261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283038.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 8207261 is about 2864.8317577128. The cubic root of 8207261 is about 201.7124703768.

The spelling of 8207261 in words is "eight million, two hundred seven thousand, two hundred sixty-one".