1800002053 has 2 divisors, whose sum is σ = 1800002054. Its totient is φ = 1800002052.

The previous prime is 1800002033. The next prime is 1800002081. The reversal of 1800002053 is 3502000081.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1234608769 + 565393284 = 35137^2 + 23778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1800002053 - 2²⁹ = 1263131141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1800002053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1800002033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 900001026 + 900001027.

It is an arithmetic number, because the mean of its divisors is an integer number (900001027).

Almost surely, 2^1800002053 is an apocalyptic number.

It is an amenable number.

1800002053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1800002053 is an equidigital number, since it uses as much as digits as its factorization.

1800002053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1800002053 is about 42426.4310660230. The cubic root of 1800002053 is about 1216.4408615871.

The spelling of 1800002053 in words is "one billion, eight hundred million, two thousand, fifty-three".