6099561 has 24 divisors (see below), whose sum is σ = 9751560. Its totient is φ = 3649536.

The previous prime is 6099559. The next prime is 6099563. The reversal of 6099561 is 1659906.

6099561 is a `hidden beast` number, since 6 + 0 + 99 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (6099559) and next prime (6099563).

It can be written as a sum of positive squares in 4 ways, for example, as 47961 + 6051600 = 219^2 + 2460^2 .

It is not a de Polignac number, because 6099561 - 2¹ = 6099559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6099563) 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 23 ways as a sum of consecutive naturals, for example, 3625 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (406315).

Almost surely, 2^6099561 is an apocalyptic number.

It is an amenable number.

6099561 is a deficient number, since it is larger than the sum of its proper divisors (3651999).

6099561 is a wasteful number, since it uses less digits than its factorization.

6099561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 6099561 is about 2469.7289324944. The cubic root of 6099561 is about 182.7116303938.

The spelling of 6099561 in words is "six million, ninety-nine thousand, five hundred sixty-one".