1013442025 has 12 divisors (see below), whose sum is σ = 1290633292. Its totient is φ = 788840640.

The previous prime is 1013442013. The next prime is 1013442041. The reversal of 1013442025 is 5202443101.

It can be written as a sum of positive squares in 6 ways, for example, as 13111641 + 1000330384 = 3621^2 + 31628^2 .

It is not a de Polignac number, because 1013442025 - 2²³ = 1005053417 is a prime.

It is a super-2 number, since 2×1013442025² = 2054129476072201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013441987 and 1013442005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546882 + ... + 548731.

Almost surely, 2^1013442025 is an apocalyptic number.

It is an amenable number.

1013442025 is a deficient number, since it is larger than the sum of its proper divisors (277191267).

1013442025 is a wasteful number, since it uses less digits than its factorization.

1013442025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095660 (or 1095655 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1013442025 is about 31834.6042067433. The cubic root of 1013442025 is about 1004.4607471478.

Adding to 1013442025 its reverse (5202443101), we get a palindrome (6215885126).

The spelling of 1013442025 in words is "one billion, thirteen million, four hundred forty-two thousand, twenty-five".