152897 has 2 divisors, whose sum is σ = 152898. Its totient is φ = 152896.
The previous prime is 152879. The next prime is 152899. The reversal of 152897 is 798251.
Together with previous prime (152879) 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., 152881 + 16 = 391^2 + 4^2 .
It is an emirp because it is prime and its reverse (798251) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 152897 - 26 = 152833 is a prime.
Together with 152899, it forms a pair of twin primes.
It is a Chen prime.
It is an Ulam number.
It is not a weakly prime, because it can be changed into another prime (152899) 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, 76448 + 76449.
It is an arithmetic number, because the mean of its divisors is an integer number (76449).
2152897 is an apocalyptic number.
It is an amenable number.
152897 is a deficient number, since it is larger than the sum of its proper divisors (1).
152897 is an equidigital number, since it uses as much as digits as its factorization.
152897 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5040, while the sum is 32.
The square root of 152897 is about 391.0204598228. The cubic root of 152897 is about 53.4728076796.
The spelling of 152897 in words is "one hundred fifty-two thousand, eight hundred ninety-seven".
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