1813001248 has 24 divisors (see below), whose sum is σ = 3589989228. Its totient is φ = 901257984.

The previous prime is 1813001233. The next prime is 1813001249. The reversal of 1813001248 is 8421003181.

It can be written as a sum of positive squares in 2 ways, for example, as 1526308624 + 286692624 = 39068^2 + 16932^2 .

It is not an unprimeable number, because it can be changed into a prime (1813001249) 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, 158211 + ... + 169282.

Almost surely, 2^1813001248 is an apocalyptic number.

It is an amenable number.

1813001248 is a deficient number, since it is larger than the sum of its proper divisors (1776987980).

1813001248 is a wasteful number, since it uses less digits than its factorization.

1813001248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327676 (or 327668 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1813001248 is about 42579.3523670805. The cubic root of 1813001248 is about 1219.3621246665.

The spelling of 1813001248 in words is "one billion, eight hundred thirteen million, one thousand, two hundred forty-eight".