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79397 is a prime number
BaseRepresentation
bin10011011000100101
311000220122
4103120211
510020042
61411325
7450323
oct233045
9130818
1079397
115471a
1239b45
132a1a6
1420d13
15187d2
hex13625

79397 has 2 divisors, whose sum is σ = 79398. Its totient is φ = 79396.

The previous prime is 79393. The next prime is 79399.

79397 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58081 + 21316 = 241^2 + 146^2 .

It is a palprime.

79397 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 79397 - 22 = 79393 is a prime.

Together with 79399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39698 + 39699.

It is an arithmetic number, because the mean of its divisors is an integer number (39699).

279397 is an apocalyptic number.

It is an amenable number.

79397 is a deficient number, since it is larger than the sum of its proper divisors (1).

79397 is an equidigital number, since it uses as much as digits as its factorization.

79397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907, while the sum is 35.

The square root of 79397 is about 281.7747327210. The cubic root of 79397 is about 42.9801603086.

The spelling of 79397 in words is "seventy-nine thousand, three hundred ninety-seven".