1079315581 has 2 divisors, whose sum is σ = 1079315582. Its totient is φ = 1079315580.

The previous prime is 1079315579. The next prime is 1079315647. The reversal of 1079315581 is 1855139701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1044905625 + 34409956 = 32325^2 + 5866^2 .

It is an emirp because it is prime and its reverse (1855139701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1079315581 - 2¹ = 1079315579 is a prime.

It is a super-2 number, since 2×1079315581² = 2329844246778735122, which contains 22 as substring.

Together with 1079315579, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1079315551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539657790 + 539657791.

It is an arithmetic number, because the mean of its divisors is an integer number (539657791).

Almost surely, 2^1079315581 is an apocalyptic number.

It is an amenable number.

1079315581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079315581 is an equidigital number, since it uses as much as digits as its factorization.

1079315581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 40.

The square root of 1079315581 is about 32852.9386965611. The cubic root of 1079315581 is about 1025.7687925731.

The spelling of 1079315581 in words is "one billion, seventy-nine million, three hundred fifteen thousand, five hundred eighty-one".