2541838405 has 8 divisors (see below), whose sum is σ = 3072471192. Its totient is φ = 2018627328.

The previous prime is 2541838391. The next prime is 2541838477. The reversal of 2541838405 is 5048381452.

It can be written as a sum of positive squares in 4 ways, for example, as 27217089 + 2514621316 = 5217^2 + 50146^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541838405 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, 1854672 + ... + 1856041.

It is an arithmetic number, because the mean of its divisors is an integer number (384058899).

Almost surely, 2^2541838405 is an apocalyptic number.

It is an amenable number.

2541838405 is a deficient number, since it is larger than the sum of its proper divisors (530632787).

2541838405 is a wasteful number, since it uses less digits than its factorization.

2541838405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710855.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 2541838405 is about 50416.6480936605. The cubic root of 2541838405 is about 1364.7380883701.

The spelling of 2541838405 in words is "two billion, five hundred forty-one million, eight hundred thirty-eight thousand, four hundred five".