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157271 is a prime number
BaseRepresentation
bin100110011001010111
321222201212
4212121113
520013041
63212035
71223342
oct463127
9258655
10157271
11a8184
127701b
135677a
1441459
15318eb
hex26657

157271 has 2 divisors, whose sum is σ = 157272. Its totient is φ = 157270.

The previous prime is 157259. The next prime is 157273. The reversal of 157271 is 172751.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (172751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157271 - 26 = 157207 is a prime.

It is a Sophie Germain prime.

Together with 157273, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78635 + 78636.

It is an arithmetic number, because the mean of its divisors is an integer number (78636).

2157271 is an apocalyptic number.

157271 is a deficient number, since it is larger than the sum of its proper divisors (1).

157271 is an equidigital number, since it uses as much as digits as its factorization.

157271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 490, while the sum is 23.

The square root of 157271 is about 396.5740788302. The cubic root of 157271 is about 53.9779287945.

The spelling of 157271 in words is "one hundred fifty-seven thousand, two hundred seventy-one".