6023561 has 4 divisors (see below), whose sum is σ = 6231300. Its totient is φ = 5815824.

The previous prime is 6023557. The next prime is 6023581. The reversal of 6023561 is 1653206.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1653206 = 2 ⋅826603.

It can be written as a sum of positive squares in 2 ways, for example, as 4687225 + 1336336 = 2165^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 6023561 - 2² = 6023557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6023581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103826 + ... + 103883.

It is an arithmetic number, because the mean of its divisors is an integer number (1557825).

Almost surely, 2^6023561 is an apocalyptic number.

It is an amenable number.

6023561 is a deficient number, since it is larger than the sum of its proper divisors (207739).

6023561 is a wasteful number, since it uses less digits than its factorization.

6023561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207738.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 6023561 is about 2454.2943996188. The cubic root of 6023561 is about 181.9495996174.

Adding to 6023561 its reverse (1653206), we get a palindrome (7676767).

The spelling of 6023561 in words is "six million, twenty-three thousand, five hundred sixty-one".