2006581254 has 16 divisors (see below), whose sum is σ = 4017411648. Its totient is φ = 668152232.

The previous prime is 2006581243. The next prime is 2006581259. The reversal of 2006581254 is 4521856002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006581259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170892 + ... + 182255.

It is an arithmetic number, because the mean of its divisors is an integer number (251088228).

Almost surely, 2^2006581254 is an apocalyptic number.

2006581254 is an abundant number, since it is smaller than the sum of its proper divisors (2010830394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2006581254 is a wasteful number, since it uses less digits than its factorization.

2006581254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354099.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 2006581254 is about 44794.8797743671. The cubic root of 2006581254 is about 1261.3015135449.

The spelling of 2006581254 in words is "two billion, six million, five hundred eighty-one thousand, two hundred fifty-four".