1013257005 has 16 divisors (see below), whose sum is σ = 1630172544. Its totient is φ = 537416640.

The previous prime is 1013256997. The next prime is 1013257033. The reversal of 1013257005 is 5007523101.

1013257005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1013257005 - 2³ = 1013256997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183889 + ... + 189318.

It is an arithmetic number, because the mean of its divisors is an integer number (101885784).

Almost surely, 2^1013257005 is an apocalyptic number.

1013257005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013257005 is a deficient number, since it is larger than the sum of its proper divisors (616915539).

1013257005 is a wasteful number, since it uses less digits than its factorization.

1013257005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373396.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 1013257005 is about 31831.6981168143. The cubic root of 1013257005 is about 1004.3996166527.

The spelling of 1013257005 in words is "one billion, thirteen million, two hundred fifty-seven thousand, five".