2054071181 has 4 divisors (see below), whose sum is σ = 2054562492. Its totient is φ = 2053579872.

The previous prime is 2054071141. The next prime is 2054071183. The reversal of 2054071181 is 1811704502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1602721156 + 451350025 = 40034^2 + 21245^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054071181 - 2¹⁴ = 2054054797 is a prime.

It is a super-2 number, since 2×2054071181² = 8438416833229469522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054071183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239330 + ... + 247763.

It is an arithmetic number, because the mean of its divisors is an integer number (513640623).

Almost surely, 2^2054071181 is an apocalyptic number.

It is an amenable number.

2054071181 is a deficient number, since it is larger than the sum of its proper divisors (491311).

2054071181 is an equidigital number, since it uses as much as digits as its factorization.

2054071181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491310.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 2054071181 is about 45321.8620645710. The cubic root of 2054071181 is about 1271.1744732911.

Adding to 2054071181 its reverse (1811704502), we get a palindrome (3865775683).

The spelling of 2054071181 in words is "two billion, fifty-four million, seventy-one thousand, one hundred eighty-one".