552541309 has 2 divisors, whose sum is σ = 552541310. Its totient is φ = 552541308.

The previous prime is 552541273. The next prime is 552541343. The reversal of 552541309 is 903145255.

It is an a-pointer prime, because the next prime (552541343) can be obtained adding 552541309 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437730084 + 114811225 = 20922^2 + 10715^2 .

It is a cyclic number.

It is not a de Polignac number, because 552541309 - 2⁹ = 552540797 is a prime.

It is a super-3 number, since 3×552541309³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552541399) 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, 276270654 + 276270655.

It is an arithmetic number, because the mean of its divisors is an integer number (276270655).

Almost surely, 2^552541309 is an apocalyptic number.

It is an amenable number.

552541309 is a deficient number, since it is larger than the sum of its proper divisors (1).

552541309 is an equidigital number, since it uses as much as digits as its factorization.

552541309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 552541309 is about 23506.1972466837. The cubic root of 552541309 is about 820.5812401928.

The spelling of 552541309 in words is "five hundred fifty-two million, five hundred forty-one thousand, three hundred nine".