157219 has 2 divisors, whose sum is σ = 157220. Its totient is φ = 157218.
The previous prime is 157217. The next prime is 157229. The reversal of 157219 is 912751.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 157219 - 21 = 157217 is a prime.
It is a super-2 number, since 2×1572192 = 49435627922, which contains 22 as substring.
Together with 157217, it forms a pair of twin primes.
157219 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 157193 and 157202.
It is not a weakly prime, because it can be changed into another prime (157211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78609 + 78610.
It is an arithmetic number, because the mean of its divisors is an integer number (78610).
2157219 is an apocalyptic number.
157219 is a deficient number, since it is larger than the sum of its proper divisors (1).
157219 is an equidigital number, since it uses as much as digits as its factorization.
157219 is an evil number, because the sum of its binary digits is even.
The product of its digits is 630, while the sum is 25.
The square root of 157219 is about 396.5085118885. The cubic root of 157219 is about 53.9719790608.
The spelling of 157219 in words is "one hundred fifty-seven thousand, two hundred nineteen".
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