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35897 is a prime number

35897 has 2 divisors, whose sum is σ = 35898. Its totient is φ = 35896.

The previous prime is 35879. The next prime is 35899. The reversal of 35897 is 79853.

Subtracting 35897 from its reverse (79853), we obtain a triangular number (43956 = T296).

Together with previous prime (35879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32761 + 3136 = 181^2 + 56^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-35897 is a prime.

Together with 35899, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 35897.

It is not a weakly prime, because it can be changed into another prime (35899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17948 + 17949.

It is an arithmetic number, because the mean of its divisors is an integer number (17949).

235897 is an apocalyptic number.

It is an amenable number.

35897 is a deficient number, since it is larger than the sum of its proper divisors (1).

35897 is an equidigital number, since it uses as much as digits as its factorization.

35897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 35897 is about 189.4650363524. The cubic root of 35897 is about 32.9877518059.

The spelling of 35897 in words is "thirty-five thousand, eight hundred ninety-seven".