8247261 has 32 divisors (see below), whose sum is σ = 12963456. Its totient is φ = 4608000.

The previous prime is 8247257. The next prime is 8247293. The reversal of 8247261 is 1627428.

It is not a de Polignac number, because 8247261 - 2² = 8247257 is a prime.

It is a super-3 number, since 3×8247261³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8247221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34101 + ... + 34341.

It is an arithmetic number, because the mean of its divisors is an integer number (405108).

Almost surely, 2^8247261 is an apocalyptic number.

It is an amenable number.

8247261 is a deficient number, since it is larger than the sum of its proper divisors (4716195).

8247261 is a wasteful number, since it uses less digits than its factorization.

8247261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its digits is 5376, while the sum is 30.

The square root of 8247261 is about 2871.8044849885. The cubic root of 8247261 is about 202.0396370279.

The spelling of 8247261 in words is "eight million, two hundred forty-seven thousand, two hundred sixty-one".