Base | Representation |
---|---|
bin | 11111101101111… |
… | …001011101010001 |
3 | 1101002021202222122 |
4 | 133231321131101 |
5 | 2042211004041 |
6 | 124445144025 |
7 | 16120664234 |
oct | 3755713521 |
9 | 1332252878 |
10 | 532125521 |
11 | 253409864 |
12 | 12a25b015 |
13 | 86322695 |
14 | 5095941b |
15 | 31ab1c4b |
hex | 1fb79751 |
532125521 has 2 divisors, whose sum is σ = 532125522. Its totient is φ = 532125520.
The previous prime is 532125487. The next prime is 532125523. The reversal of 532125521 is 125521235.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 518700625 + 13424896 = 22775^2 + 3664^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-532125521 is a prime.
Together with 532125523, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (532125523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266062760 + 266062761.
It is an arithmetic number, because the mean of its divisors is an integer number (266062761).
Almost surely, 2532125521 is an apocalyptic number.
It is an amenable number.
532125521 is a deficient number, since it is larger than the sum of its proper divisors (1).
532125521 is an equidigital number, since it uses as much as digits as its factorization.
532125521 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3000, while the sum is 26.
The square root of 532125521 is about 23067.8460416225. The cubic root of 532125521 is about 810.3476234881.
Adding to 532125521 its reverse (125521235), we get a palindrome (657646756).
The spelling of 532125521 in words is "five hundred thirty-two million, one hundred twenty-five thousand, five hundred twenty-one".
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