1013100025 has 12 divisors (see below), whose sum is σ = 1435707712. Its totient is φ = 694697040.

The previous prime is 1013100019. The next prime is 1013100041. The reversal of 1013100025 is 5200013101.

It is not a de Polignac number, because 1013100025 - 2¹⁹ = 1012575737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013099978 and 1013100014.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2894397 + ... + 2894746.

Almost surely, 2^1013100025 is an apocalyptic number.

It is an amenable number.

1013100025 is a deficient number, since it is larger than the sum of its proper divisors (422607687).

1013100025 is an equidigital number, since it uses as much as digits as its factorization.

1013100025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789160 (or 5789155 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1013100025 is about 31829.2322401908. The cubic root of 1013100025 is about 1004.3477447209.

Adding to 1013100025 its reverse (5200013101), we get a palindrome (6213113126).

The spelling of 1013100025 in words is "one billion, thirteen million, one hundred thousand, twenty-five".