1800539053 has 2 divisors, whose sum is σ = 1800539054. Its totient is φ = 1800539052.

The previous prime is 1800539051. The next prime is 1800539093. The reversal of 1800539053 is 3509350081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1239180804 + 561358249 = 35202^2 + 23693^2 .

It is a cyclic number.

It is not a de Polignac number, because 1800539053 - 2¹ = 1800539051 is a prime.

Together with 1800539051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1800539051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 900269526 + 900269527.

It is an arithmetic number, because the mean of its divisors is an integer number (900269527).

Almost surely, 2^1800539053 is an apocalyptic number.

It is an amenable number.

1800539053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1800539053 is an equidigital number, since it uses as much as digits as its factorization.

1800539053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1800539053 is about 42432.7591961682. The cubic root of 1800539053 is about 1216.5618177072.

The spelling of 1800539053 in words is "one billion, eight hundred million, five hundred thirty-nine thousand, fifty-three".