6122561 has 4 divisors (see below), whose sum is σ = 6132672. Its totient is φ = 6112452.

The previous prime is 6122537. The next prime is 6122569. The reversal of 6122561 is 1652216.

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 6122561 - 2¹⁰ = 6121537 is a prime.

It is a super-3 number, since 3×6122561³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6122569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4085 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (1533168).

Almost surely, 2^6122561 is an apocalyptic number.

It is an amenable number.

6122561 is a deficient number, since it is larger than the sum of its proper divisors (10111).

6122561 is an equidigital number, since it uses as much as digits as its factorization.

6122561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110.

The product of its digits is 720, while the sum is 23.

The square root of 6122561 is about 2474.3809326779. The cubic root of 6122561 is about 182.9409964357.

Adding to 6122561 its reverse (1652216), we get a palindrome (7774777).

It can be divided in two parts, 61 and 22561, that added together give a palindrome (22622).

The spelling of 6122561 in words is "six million, one hundred twenty-two thousand, five hundred sixty-one".