2054520243 has 12 divisors (see below), whose sum is σ = 3017940120. Its totient is φ = 1346464896.

The previous prime is 2054520229. The next prime is 2054520311. The reversal of 2054520243 is 3420254502.

It is a happy number.

2054520243 is a `hidden beast` number, since 205 + 452 + 0 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 2054520243 - 2¹⁴ = 2054503859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2054520203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1934046 + ... + 1935107.

It is an arithmetic number, because the mean of its divisors is an integer number (251495010).

Almost surely, 2^2054520243 is an apocalyptic number.

2054520243 is a deficient number, since it is larger than the sum of its proper divisors (963419877).

2054520243 is a wasteful number, since it uses less digits than its factorization.

2054520243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869218 (or 3869215 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2054520243 is about 45326.8159371470. The cubic root of 2054520243 is about 1271.2671014601.

Adding to 2054520243 its reverse (3420254502), we get a palindrome (5474774745).

The spelling of 2054520243 in words is "two billion, fifty-four million, five hundred twenty thousand, two hundred forty-three".