6205000561 has 4 divisors (see below), whose sum is σ = 6570000612. Its totient is φ = 5840000512.

The previous prime is 6205000537. The next prime is 6205000591. The reversal of 6205000561 is 1650005026.

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 4612990561 + 1592010000 = 67919^2 + 39900^2 .

It is a cyclic number.

It is not a de Polignac number, because 6205000561 - 2¹⁵ = 6204967793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6205000591) 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, 182500000 + ... + 182500033.

It is an arithmetic number, because the mean of its divisors is an integer number (1642500153).

Almost surely, 2^6205000561 is an apocalyptic number.

It is an amenable number.

6205000561 is a deficient number, since it is larger than the sum of its proper divisors (365000051).

6205000561 is a wasteful number, since it uses less digits than its factorization.

6205000561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365000050.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 6205000561 is about 78771.8259341498. The cubic root of 6205000561 is about 1837.5843142455.

Adding to 6205000561 its reverse (1650005026), we get a palindrome (7855005587).

The spelling of 6205000561 in words is "six billion, two hundred five million, five hundred sixty-one", and thus it is an aban number.