551308325 has 12 divisors (see below), whose sum is σ = 702099780. Its totient is φ = 429125760.

The previous prime is 551308319. The next prime is 551308339. The reversal of 551308325 is 523803155.

It can be written as a sum of positive squares in 6 ways, for example, as 113912929 + 437395396 = 10673^2 + 20914^2 .

It is not a de Polignac number, because 551308325 - 2¹⁶ = 551242789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551308291 and 551308300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297080 + ... + 298929.

It is an arithmetic number, because the mean of its divisors is an integer number (58508315).

Almost surely, 2^551308325 is an apocalyptic number.

It is an amenable number.

551308325 is a deficient number, since it is larger than the sum of its proper divisors (150791455).

551308325 is a wasteful number, since it uses less digits than its factorization.

551308325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596056 (or 596051 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 551308325 is about 23479.9558134167. The cubic root of 551308325 is about 819.9704158472.

The spelling of 551308325 in words is "five hundred fifty-one million, three hundred eight thousand, three hundred twenty-five".