8256901 has 4 divisors (see below), whose sum is σ = 8291404. Its totient is φ = 8222400.

The previous prime is 8256889. The next prime is 8256907. The reversal of 8256901 is 1096528.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7568001 + 688900 = 2751^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 8256901 - 2⁹ = 8256389 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8256907) 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, 16890 + ... + 17371.

It is an arithmetic number, because the mean of its divisors is an integer number (2072851).

Almost surely, 2^8256901 is an apocalyptic number.

It is an amenable number.

8256901 is a deficient number, since it is larger than the sum of its proper divisors (34503).

8256901 is a wasteful number, since it uses less digits than its factorization.

8256901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34502.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 8256901 is about 2873.4823820584. The cubic root of 8256901 is about 202.1183259298.

The spelling of 8256901 in words is "eight million, two hundred fifty-six thousand, nine hundred one".