152819 has 2 divisors, whose sum is σ = 152820. Its totient is φ = 152818.
The previous prime is 152809. The next prime is 152821. The reversal of 152819 is 918251.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 152819 - 28 = 152563 is a prime.
It is a super-2 number, since 2×1528192 = 46707293522, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 152821, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (152809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76409 + 76410.
It is an arithmetic number, because the mean of its divisors is an integer number (76410).
2152819 is an apocalyptic number.
152819 is a deficient number, since it is larger than the sum of its proper divisors (1).
152819 is an equidigital number, since it uses as much as digits as its factorization.
152819 is an evil number, because the sum of its binary digits is even.
The product of its digits is 720, while the sum is 26.
The square root of 152819 is about 390.9207080726. The cubic root of 152819 is about 53.4637131291.
The spelling of 152819 in words is "one hundred fifty-two thousand, eight hundred nineteen".
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