8256133 has 4 divisors (see below), whose sum is σ = 8281408. Its totient is φ = 8230860.

The previous prime is 8256109. The next prime is 8256139. The reversal of 8256133 is 3316528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8256133 is a prime.

It is a super-2 number, since 2×8256133² = 136327464227378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8256139) 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, 12141 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (2070352).

Almost surely, 2^8256133 is an apocalyptic number.

It is an amenable number.

8256133 is a deficient number, since it is larger than the sum of its proper divisors (25275).

8256133 is a wasteful number, since it uses less digits than its factorization.

8256133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25274.

The product of its digits is 4320, while the sum is 28.

The square root of 8256133 is about 2873.3487431915. The cubic root of 8256133 is about 202.1120591845.

The spelling of 8256133 in words is "eight million, two hundred fifty-six thousand, one hundred thirty-three".