71054579 has 2 divisors, whose sum is σ = 71054580. Its totient is φ = 71054578.

The previous prime is 71054563. The next prime is 71054597. The reversal of 71054579 is 97545017.

Together with next prime (71054597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71054579 - 2⁴ = 71054563 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (71054519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35527289 + 35527290.

It is an arithmetic number, because the mean of its divisors is an integer number (35527290).

Almost surely, 2^71054579 is an apocalyptic number.

71054579 is a deficient number, since it is larger than the sum of its proper divisors (1).

71054579 is an equidigital number, since it uses as much as digits as its factorization.

71054579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 71054579 is about 8429.3878188158. The cubic root of 71054579 is about 414.1878518466.

The spelling of 71054579 in words is "seventy-one million, fifty-four thousand, five hundred seventy-nine".