1055512613 has 2 divisors, whose sum is σ = 1055512614. Its totient is φ = 1055512612.

The previous prime is 1055512607. The next prime is 1055512631. The reversal of 1055512613 is 3162155501.

Together with next prime (1055512631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1048658689 + 6853924 = 32383^2 + 2618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055512613 is a prime.

It is a super-2 number, since 2×1055512613² = 2228213752404175538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055512673) 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, 527756306 + 527756307.

It is an arithmetic number, because the mean of its divisors is an integer number (527756307).

Almost surely, 2^1055512613 is an apocalyptic number.

It is an amenable number.

1055512613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055512613 is an equidigital number, since it uses as much as digits as its factorization.

1055512613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1055512613 is about 32488.6536039892. The cubic root of 1055512613 is about 1018.1719831067.

The spelling of 1055512613 in words is "one billion, fifty-five million, five hundred twelve thousand, six hundred thirteen".