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38325013 is a prime number
BaseRepresentation
bin1001001000110…
…0101100010101
32200010010000221
42102030230111
534302400023
63445234341
7643520506
oct222145425
980103027
1038325013
111a6a7171
1210a029b1
137c2b32c
145138bad
15357085d
hex248cb15

38325013 has 2 divisors, whose sum is σ = 38325014. Its totient is φ = 38325012.

The previous prime is 38325011. The next prime is 38325029. The reversal of 38325013 is 31052383.

38325013 = 43772 + 43782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19166884 + 19158129 = 4378^2 + 4377^2 .

It is a cyclic number.

It is not a de Polignac number, because 38325013 - 21 = 38325011 is a prime.

Together with 38325011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38325011) 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, 19162506 + 19162507.

It is an arithmetic number, because the mean of its divisors is an integer number (19162507).

Almost surely, 238325013 is an apocalyptic number.

38325013 is the 4378-th centered square number.

It is an amenable number.

38325013 is a deficient number, since it is larger than the sum of its proper divisors (1).

38325013 is an equidigital number, since it uses as much as digits as its factorization.

38325013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 38325013 is about 6190.7199096712. The cubic root of 38325013 is about 337.1533171660.

Adding to 38325013 its reverse (31052383), we get a palindrome (69377396).

The spelling of 38325013 in words is "thirty-eight million, three hundred twenty-five thousand, thirteen".