79354243 has 2 divisors, whose sum is σ = 79354244. Its totient is φ = 79354242.

The previous prime is 79354213. The next prime is 79354277. The reversal of 79354243 is 34245397.

It is a weak prime.

It is an emirp because it is prime and its reverse (34245397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79354243 - 2⁵ = 79354211 is a prime.

It is equal to p_4633885 and since 79354243 and 4633885 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (79354213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39677121 + 39677122.

It is an arithmetic number, because the mean of its divisors is an integer number (39677122).

Almost surely, 2^79354243 is an apocalyptic number.

79354243 is a deficient number, since it is larger than the sum of its proper divisors (1).

79354243 is an equidigital number, since it uses as much as digits as its factorization.

79354243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 79354243 is about 8908.0998535041. The cubic root of 79354243 is about 429.7244367489.

It can be divided in two parts, 79354 and 243, that added together give a palindrome (79597).

The spelling of 79354243 in words is "seventy-nine million, three hundred fifty-four thousand, two hundred forty-three".