551046313 has 8 divisors (see below), whose sum is σ = 603580680. Its totient is φ = 500747520.

The previous prime is 551046311. The next prime is 551046319. The reversal of 551046313 is 313640155.

It can be written as a sum of positive squares in 4 ways, for example, as 168922009 + 382124304 = 12997^2 + 19548^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 551046313 - 2¹ = 551046311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551046311) 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, 558378 + ... + 559363.

It is an arithmetic number, because the mean of its divisors is an integer number (75447585).

Almost surely, 2^551046313 is an apocalyptic number.

It is an amenable number.

551046313 is a deficient number, since it is larger than the sum of its proper divisors (52534367).

551046313 is a wasteful number, since it uses less digits than its factorization.

551046313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117787.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 551046313 is about 23474.3756679491. The cubic root of 551046313 is about 819.8404969357.

Adding to 551046313 its reverse (313640155), we get a palindrome (864686468).

The spelling of 551046313 in words is "five hundred fifty-one million, forty-six thousand, three hundred thirteen".