1025063635 has 8 divisors (see below), whose sum is σ = 1236873456. Its totient is φ = 815519520.

The previous prime is 1025063629. The next prime is 1025063647. The reversal of 1025063635 is 5363605201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025063635 - 2²⁵ = 991509203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025063597 and 1025063606.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 565429 + ... + 567238.

It is an arithmetic number, because the mean of its divisors is an integer number (154609182).

Almost surely, 2^1025063635 is an apocalyptic number.

1025063635 is a deficient number, since it is larger than the sum of its proper divisors (211809821).

1025063635 is a wasteful number, since it uses less digits than its factorization.

1025063635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132853.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1025063635 is about 32016.6149834738. The cubic root of 1025063635 is about 1008.2857025213.

Adding to 1025063635 its reverse (5363605201), we get a palindrome (6388668836).

The spelling of 1025063635 in words is "one billion, twenty-five million, sixty-three thousand, six hundred thirty-five".