551812325 has 12 divisors (see below), whose sum is σ = 684539520. Its totient is φ = 441261360.

The previous prime is 551812291. The next prime is 551812351. The reversal of 551812325 is 523218155.

It is not a de Polignac number, because 551812325 - 2¹⁴ = 551795941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 551812291 and 551812300.

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, 105932 + ... + 111018.

It is an arithmetic number, because the mean of its divisors is an integer number (57044960).

Almost surely, 2^551812325 is an apocalyptic number.

It is an amenable number.

551812325 is a deficient number, since it is larger than the sum of its proper divisors (132727195).

551812325 is a wasteful number, since it uses less digits than its factorization.

551812325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436 (or 9431 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 551812325 is about 23490.6859201684. The cubic root of 551812325 is about 820.2202090516.

The spelling of 551812325 in words is "five hundred fifty-one million, eight hundred twelve thousand, three hundred twenty-five".