8261601 has 4 divisors (see below), whose sum is σ = 11015472. Its totient is φ = 5507732.

The previous prime is 8261573. The next prime is 8261621. The reversal of 8261601 is 1061628.

8261601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 8261601 - 2¹⁴ = 8245217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8261621) 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, 1376931 + ... + 1376936.

It is an arithmetic number, because the mean of its divisors is an integer number (2753868).

Almost surely, 2^8261601 is an apocalyptic number.

It is an amenable number.

8261601 is a deficient number, since it is larger than the sum of its proper divisors (2753871).

8261601 is a wasteful number, since it uses less digits than its factorization.

8261601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753870.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8261601 is about 2874.3000887173. The cubic root of 8261601 is about 202.1566686423.

The spelling of 8261601 in words is "eight million, two hundred sixty-one thousand, six hundred one".