8256061 has 8 divisors (see below), whose sum is σ = 9042048. Its totient is φ = 7476000.

The previous prime is 8256041. The next prime is 8256071. The reversal of 8256061 is 1606528.

8256061 = 11² + 12² + ... + 291².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8256061 - 2⁵ = 8256029 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 (8256041) 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 7 ways as a sum of consecutive naturals, for example, 1756 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (1130256).

Almost surely, 2^8256061 is an apocalyptic number.

It is an amenable number.

8256061 is a deficient number, since it is larger than the sum of its proper divisors (785987).

8256061 is a wasteful number, since it uses less digits than its factorization.

8256061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

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

The square root of 8256061 is about 2873.3362142290. The cubic root of 8256061 is about 202.1114716572. Note that the first 3 decimals are identical.

It can be divided in two parts, 82560 and 61, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 8256061 in words is "eight million, two hundred fifty-six thousand, sixty-one".