Search a number
-
+
552352181 is a prime number
BaseRepresentation
bin100000111011000…
…011100110110101
31102111100101202012
4200323003212311
52112400232211
6130450454005
716454626133
oct4073034665
91374311665
10552352181
11263874407
12134b94305
138a585014
1453502753
1533759d8b
hex20ec39b5

552352181 has 2 divisors, whose sum is σ = 552352182. Its totient is φ = 552352180.

The previous prime is 552352147. The next prime is 552352187. The reversal of 552352181 is 181253255.

552352181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334524100 + 217828081 = 18290^2 + 14759^2 .

It is a cyclic number.

It is not a de Polignac number, because 552352181 - 218 = 552090037 is a prime.

It is a super-4 number, since 4×5523521814 (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552352187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276176090 + 276176091.

It is an arithmetic number, because the mean of its divisors is an integer number (276176091).

Almost surely, 2552352181 is an apocalyptic number.

It is an amenable number.

552352181 is a deficient number, since it is larger than the sum of its proper divisors (1).

552352181 is an equidigital number, since it uses as much as digits as its factorization.

552352181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 32.

The square root of 552352181 is about 23502.1739632741. The cubic root of 552352181 is about 820.4876045998.

The spelling of 552352181 in words is "five hundred fifty-two million, three hundred fifty-two thousand, one hundred eighty-one".