551322265 has 8 divisors (see below), whose sum is σ = 712478088. Its totient is φ = 407130240.

The previous prime is 551322263. The next prime is 551322293. The reversal of 551322265 is 562223155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113550336 + 437771929 = 10656^2 + 20923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551322265 - 2¹ = 551322263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551322263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4240876 + ... + 4241005.

It is an arithmetic number, because the mean of its divisors is an integer number (89059761).

Almost surely, 2^551322265 is an apocalyptic number.

It is an amenable number.

551322265 is a deficient number, since it is larger than the sum of its proper divisors (161155823).

551322265 is a wasteful number, since it uses less digits than its factorization.

551322265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481899.

The product of its digits is 18000, while the sum is 31.

The square root of 551322265 is about 23480.2526604805. The cubic root of 551322265 is about 819.9773268567.

The spelling of 551322265 in words is "five hundred fifty-one million, three hundred twenty-two thousand, two hundred sixty-five".