552182861 has 2 divisors, whose sum is σ = 552182862. Its totient is φ = 552182860.

The previous prime is 552182821. The next prime is 552182867. The reversal of 552182861 is 168281255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 444956836 + 107226025 = 21094^2 + 10355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552182861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552182867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276091430 + 276091431.

It is an arithmetic number, because the mean of its divisors is an integer number (276091431).

Almost surely, 2^552182861 is an apocalyptic number.

It is an amenable number.

552182861 is a deficient number, since it is larger than the sum of its proper divisors (1).

552182861 is an equidigital number, since it uses as much as digits as its factorization.

552182861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 38.

The square root of 552182861 is about 23498.5714672190. The cubic root of 552182861 is about 820.4037576365.

The spelling of 552182861 in words is "five hundred fifty-two million, one hundred eighty-two thousand, eight hundred sixty-one".