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36536231 is a prime number
BaseRepresentation
bin1000101101011…
…1111110100111
32112202020021202
42023113332213
533323124411
63343033115
7622360424
oct213277647
975666252
1036536231
1119695236
121029b79b
137753094
144bd0d4b
15331a83b
hex22d7fa7

36536231 has 2 divisors, whose sum is σ = 36536232. Its totient is φ = 36536230.

The previous prime is 36536209. The next prime is 36536233. The reversal of 36536231 is 13263563.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13263563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36536231 - 210 = 36535207 is a prime.

It is a super-2 number, since 2×365362312 = 2669792351370722, which contains 22 as substring.

Together with 36536233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36536194 and 36536203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36536233) 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, 18268115 + 18268116.

It is an arithmetic number, because the mean of its divisors is an integer number (18268116).

Almost surely, 236536231 is an apocalyptic number.

36536231 is a deficient number, since it is larger than the sum of its proper divisors (1).

36536231 is an equidigital number, since it uses as much as digits as its factorization.

36536231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 29.

The square root of 36536231 is about 6044.5207419613. The cubic root of 36536231 is about 331.8240921083.

Adding to 36536231 its reverse (13263563), we get a palindrome (49799794).

The spelling of 36536231 in words is "thirty-six million, five hundred thirty-six thousand, two hundred thirty-one".