2000542405 has 8 divisors (see below), whose sum is σ = 2541865752. Its totient is φ = 1506290688.

The previous prime is 2000542393. The next prime is 2000542457. The reversal of 2000542405 is 5042450002.

It can be written as a sum of positive squares in 4 ways, for example, as 752898721 + 1247643684 = 27439^2 + 35322^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2000542405 - 2¹⁹ = 2000018117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11767812 + ... + 11767981.

It is an arithmetic number, because the mean of its divisors is an integer number (317733219).

Almost surely, 2^2000542405 is an apocalyptic number.

It is an amenable number.

2000542405 is a deficient number, since it is larger than the sum of its proper divisors (541323347).

2000542405 is a wasteful number, since it uses less digits than its factorization.

2000542405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23535815.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2000542405 is about 44727.4234111468. The cubic root of 2000542405 is about 1260.0349375128.

Adding to 2000542405 its reverse (5042450002), we get a palindrome (7042992407).

The spelling of 2000542405 in words is "two billion, five hundred forty-two thousand, four hundred five".