1055030013 has 24 divisors (see below), whose sum is σ = 1625385528. Its totient is φ = 657134592.

The previous prime is 1055029993. The next prime is 1055030017. The reversal of 1055030013 is 3100305501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 478165689 + 576864324 = 21867^2 + 24018^2 .

It is not a de Polignac number, because 1055030013 - 2⁵ = 1055029981 is a prime.

It is a super-2 number, since 2×1055030013² = 2226176656661560338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055030017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4206 + ... + 46127.

It is an arithmetic number, because the mean of its divisors is an integer number (67724397).

Almost surely, 2^1055030013 is an apocalyptic number.

It is an amenable number.

1055030013 is a deficient number, since it is larger than the sum of its proper divisors (570355515).

1055030013 is a wasteful number, since it uses less digits than its factorization.

1055030013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50493 (or 50490 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1055030013 is about 32481.2255464599. The cubic root of 1055030013 is about 1018.0167837278.

Adding to 1055030013 its reverse (3100305501), we get a palindrome (4155335514).

The spelling of 1055030013 in words is "one billion, fifty-five million, thirty thousand, thirteen".