1800241825 has 12 divisors (see below), whose sum is σ = 2234522160. Its totient is φ = 1438759760.

The previous prime is 1800241813. The next prime is 1800241829. The reversal of 1800241825 is 5281420081.

It is a de Polignac number, because none of the positive numbers 2^k-1800241825 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1800241829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9859 + ... + 60808.

It is an arithmetic number, because the mean of its divisors is an integer number (186210180).

Almost surely, 2^1800241825 is an apocalyptic number.

It is an amenable number.

1800241825 is a deficient number, since it is larger than the sum of its proper divisors (434280335).

1800241825 is a wasteful number, since it uses less digits than its factorization.

1800241825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71696 (or 71691 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 1800241825 is about 42429.2567104351. The cubic root of 1800241825 is about 1216.4948718049.

The spelling of 1800241825 in words is "one billion, eight hundred million, two hundred forty-one thousand, eight hundred twenty-five".