79534523 has 2 divisors, whose sum is σ = 79534524. Its totient is φ = 79534522.

The previous prime is 79534493. The next prime is 79534531. The reversal of 79534523 is 32543597.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79534523 - 2²² = 75340219 is a prime.

It is not a weakly prime, because it can be changed into another prime (79534123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39767261 + 39767262.

It is an arithmetic number, because the mean of its divisors is an integer number (39767262).

Almost surely, 2^79534523 is an apocalyptic number.

79534523 is a deficient number, since it is larger than the sum of its proper divisors (1).

79534523 is an equidigital number, since it uses as much as digits as its factorization.

79534523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 38.

The square root of 79534523 is about 8918.2129936440. The cubic root of 79534523 is about 430.0496120871.

The spelling of 79534523 in words is "seventy-nine million, five hundred thirty-four thousand, five hundred twenty-three".