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36563231 is a prime number
BaseRepresentation
bin1000101101111…
…0100100011111
32112210121022202
42023132210133
533330010411
63343402115
7622532225
oct213364437
975717282
1036563231
1119703551
12102b333b
137762463
144bdab15
15332383b
hex22de91f

36563231 has 2 divisors, whose sum is σ = 36563232. Its totient is φ = 36563230.

The previous prime is 36563213. The next prime is 36563251. The reversal of 36563231 is 13236563.

It is a happy number.

Together with previous prime (36563213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36563231 - 214 = 36546847 is a prime.

It is a super-2 number, since 2×365632312 = 2673739722318722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 36563194 and 36563203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36563251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18281615 + 18281616.

It is an arithmetic number, because the mean of its divisors is an integer number (18281616).

Almost surely, 236563231 is an apocalyptic number.

36563231 is a deficient number, since it is larger than the sum of its proper divisors (1).

36563231 is an equidigital number, since it uses as much as digits as its factorization.

36563231 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 36563231 is about 6046.7537571824. The cubic root of 36563231 is about 331.9058104849.

Adding to 36563231 its reverse (13236563), we get a palindrome (49799794).

The spelling of 36563231 in words is "thirty-six million, five hundred sixty-three thousand, two hundred thirty-one".