551394367 has 2 divisors, whose sum is σ = 551394368. Its totient is φ = 551394366.

The previous prime is 551394359. The next prime is 551394373. The reversal of 551394367 is 763493155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551394367 - 2³ = 551394359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551394377) by changing a digit.

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 as a sum of consecutive naturals, namely, 275697183 + 275697184.

It is an arithmetic number, because the mean of its divisors is an integer number (275697184).

Almost surely, 2^551394367 is an apocalyptic number.

551394367 is a deficient number, since it is larger than the sum of its proper divisors (1).

551394367 is an equidigital number, since it uses as much as digits as its factorization.

551394367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 551394367 is about 23481.7879855858. The cubic root of 551394367 is about 820.0130708803.

The spelling of 551394367 in words is "five hundred fifty-one million, three hundred ninety-four thousand, three hundred sixty-seven".