Search a number
-
+
552731 is a prime number
BaseRepresentation
bin10000110111100011011
31001002012112
42012330123
5120141411
615502535
74461314
oct2067433
91032175
10552731
11348303
12227a4b
1316477a
1410560b
15adb8b
hex86f1b

552731 has 2 divisors, whose sum is σ = 552732. Its totient is φ = 552730.

The previous prime is 552709. The next prime is 552749. The reversal of 552731 is 137255.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-552731 is a prime.

It is a super-2 number, since 2×5527312 = 611023116722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p45527 and since 552731 and 45527 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 552697 and 552706.

It is not a weakly prime, because it can be changed into another prime (552751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276365 + 276366.

It is an arithmetic number, because the mean of its divisors is an integer number (276366).

2552731 is an apocalyptic number.

552731 is a deficient number, since it is larger than the sum of its proper divisors (1).

552731 is an equidigital number, since it uses as much as digits as its factorization.

552731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1050, while the sum is 23.

The square root of 552731 is about 743.4588085429. The cubic root of 552731 is about 82.0675133062.

Adding to 552731 its reverse (137255), we get a palindrome (689986).

The spelling of 552731 in words is "five hundred fifty-two thousand, seven hundred thirty-one".