1805298053 has 24 divisors (see below), whose sum is σ = 2128802400. Its totient is φ = 1524204864.

The previous prime is 1805298023. The next prime is 1805298067. The reversal of 1805298053 is 3508925081.

It is not a de Polignac number, because 1805298053 - 2⁸ = 1805297797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1805298053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1805298023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83426 + ... + 102812.

It is an arithmetic number, because the mean of its divisors is an integer number (88700100).

Almost surely, 2^1805298053 is an apocalyptic number.

1805298053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1805298053 is a deficient number, since it is larger than the sum of its proper divisors (323504347).

1805298053 is a wasteful number, since it uses less digits than its factorization.

1805298053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19461 (or 19448 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 1805298053 is about 42488.7991475400. The cubic root of 1805298053 is about 1217.6327052129.

The spelling of 1805298053 in words is "one billion, eight hundred five million, two hundred ninety-eight thousand, fifty-three".