2006042461 has 4 divisors (see below), whose sum is σ = 2008384092. Its totient is φ = 2003700832.

The previous prime is 2006042459. The next prime is 2006042531. The reversal of 2006042461 is 1642406002.

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 1522482361 + 483560100 = 39019^2 + 21990^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006042461 - 2¹ = 2006042459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006042261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169530 + ... + 1171243.

It is an arithmetic number, because the mean of its divisors is an integer number (502096023).

Almost surely, 2^2006042461 is an apocalyptic number.

It is an amenable number.

2006042461 is a deficient number, since it is larger than the sum of its proper divisors (2341631).

2006042461 is an equidigital number, since it uses as much as digits as its factorization.

2006042461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341630.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2006042461 is about 44788.8653685266. The cubic root of 2006042461 is about 1261.1886115199.

Adding to 2006042461 its reverse (1642406002), we get a palindrome (3648448463).

The spelling of 2006042461 in words is "two billion, six million, forty-two thousand, four hundred sixty-one".