1812494325 has 12 divisors (see below), whose sum is σ = 2996657408. Its totient is φ = 966663600.

The previous prime is 1812494291. The next prime is 1812494351. The reversal of 1812494325 is 5234942181.

It is not a de Polignac number, because 1812494325 - 2¹⁵ = 1812461557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12083221 + ... + 12083370.

Almost surely, 2^1812494325 is an apocalyptic number.

1812494325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1812494325 is a deficient number, since it is larger than the sum of its proper divisors (1184163083).

1812494325 is a wasteful number, since it uses less digits than its factorization.

1812494325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24166604 (or 24166599 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 1812494325 is about 42573.3992652689. The cubic root of 1812494325 is about 1219.2484677627.

The spelling of 1812494325 in words is "one billion, eight hundred twelve million, four hundred ninety-four thousand, three hundred twenty-five".