1061313005 has 4 divisors (see below), whose sum is σ = 1273575612. Its totient is φ = 849050400.

The previous prime is 1061312911. The next prime is 1061313037. The reversal of 1061313005 is 5003131601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 696273769 + 365039236 = 26387^2 + 19106^2 .

It is not a de Polignac number, because 1061313005 - 2¹⁰ = 1061311981 is a prime.

It is a super-2 number, since 2×1061313005² = 2252770589164260050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106131296 + ... + 106131305.

It is an arithmetic number, because the mean of its divisors is an integer number (318393903).

Almost surely, 2^1061313005 is an apocalyptic number.

It is an amenable number.

1061313005 is a deficient number, since it is larger than the sum of its proper divisors (212262607).

1061313005 is an equidigital number, since it uses as much as digits as its factorization.

1061313005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212262606.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1061313005 is about 32577.7992657577. The cubic root of 1061313005 is about 1020.0336413997.

Adding to 1061313005 its reverse (5003131601), we get a palindrome (6064444606).

The spelling of 1061313005 in words is "one billion, sixty-one million, three hundred thirteen thousand, five".