705179081 has 2 divisors, whose sum is σ = 705179082. Its totient is φ = 705179080.

The previous prime is 705179047. The next prime is 705179119. The reversal of 705179081 is 180971507.

It is an a-pointer prime, because the next prime (705179119) can be obtained adding 705179081 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653569225 + 51609856 = 25565^2 + 7184^2 .

It is a cyclic number.

It is not a de Polignac number, because 705179081 - 2⁶ = 705179017 is a prime.

It is a super-3 number, since 3×705179081³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (705173081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352589540 + 352589541.

It is an arithmetic number, because the mean of its divisors is an integer number (352589541).

Almost surely, 2^705179081 is an apocalyptic number.

It is an amenable number.

705179081 is a deficient number, since it is larger than the sum of its proper divisors (1).

705179081 is an equidigital number, since it uses as much as digits as its factorization.

705179081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 705179081 is about 26555.2081709031. The cubic root of 705179081 is about 890.0883979865.

The spelling of 705179081 in words is "seven hundred five million, one hundred seventy-nine thousand, eighty-one".