1812025017 has 48 divisors (see below), whose sum is σ = 2888196480. Its totient is φ = 1085644800.

The previous prime is 1812025001. The next prime is 1812025049. The reversal of 1812025017 is 7105202181.

It is not a de Polignac number, because 1812025017 - 2⁴ = 1812025001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1812025517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5826292 + ... + 5826602.

It is an arithmetic number, because the mean of its divisors is an integer number (60170760).

Almost surely, 2^1812025017 is an apocalyptic number.

It is an amenable number.

1812025017 is a deficient number, since it is larger than the sum of its proper divisors (1076171463).

1812025017 is a wasteful number, since it uses less digits than its factorization.

1812025017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 1812025017 is about 42567.8871568698. The cubic root of 1812025017 is about 1219.1432256026.

Adding to 1812025017 its reverse (7105202181), we get a palindrome (8917227198).

The spelling of 1812025017 in words is "one billion, eight hundred twelve million, twenty-five thousand, seventeen".