2541230405 has 20 divisors (see below), whose sum is σ = 3557527692. Its totient is φ = 1742549760.

The previous prime is 2541230281. The next prime is 2541230413. The reversal of 2541230405 is 5040321452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1992640321 + 548590084 = 44639^2 + 23422^2 .

It is not a de Polignac number, because 2541230405 - 2¹⁴ = 2541214021 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 19 ways as a sum of consecutive naturals, for example, 93836 + ... + 117845.

Almost surely, 2^2541230405 is an apocalyptic number.

It is an amenable number.

2541230405 is a deficient number, since it is larger than the sum of its proper divisors (1016297287).

2541230405 is an frugal number, since it uses more digits than its factorization.

2541230405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211714 (or 211693 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2541230405 is about 50410.6179787552. The cubic root of 2541230405 is about 1364.6292659625.

Adding to 2541230405 its reverse (5040321452), we get a palindrome (7581551857).

The spelling of 2541230405 in words is "two billion, five hundred forty-one million, two hundred thirty thousand, four hundred five".