2054535243 has 4 divisors (see below), whose sum is σ = 2739380328. Its totient is φ = 1369690160.

The previous prime is 2054535181. The next prime is 2054535253. The reversal of 2054535243 is 3425354502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2054535243 - 2¹³ = 2054527051 is a prime.

It is a super-2 number, since 2×2054535243² = 8442230129458138098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2054535253) 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, 342422538 + ... + 342422543.

It is an arithmetic number, because the mean of its divisors is an integer number (684845082).

Almost surely, 2^2054535243 is an apocalyptic number.

2054535243 is a deficient number, since it is larger than the sum of its proper divisors (684845085).

2054535243 is an equidigital number, since it uses as much as digits as its factorization.

2054535243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684845084.

The product of its (nonzero) digits is 72000, while the sum is 33.

The square root of 2054535243 is about 45326.9814018097. The cubic root of 2054535243 is about 1271.2701952821.

Adding to 2054535243 its reverse (3425354502), we get a palindrome (5479889745).

The spelling of 2054535243 in words is "two billion, fifty-four million, five hundred thirty-five thousand, two hundred forty-three".