1025140633 has 16 divisors (see below), whose sum is σ = 1167177600. Its totient is φ = 891815680.

The previous prime is 1025140609. The next prime is 1025140637. The reversal of 1025140633 is 3360415201.

It is a cyclic number.

It is not a de Polignac number, because 1025140633 - 2⁹ = 1025140121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025140598 and 1025140607.

It is not an unprimeable number, because it can be changed into a prime (1025140637) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21828 + ... + 50266.

It is an arithmetic number, because the mean of its divisors is an integer number (72948600).

Almost surely, 2^1025140633 is an apocalyptic number.

It is an amenable number.

1025140633 is a deficient number, since it is larger than the sum of its proper divisors (142036967).

1025140633 is a wasteful number, since it uses less digits than its factorization.

1025140633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28592.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1025140633 is about 32017.8174302996. The cubic root of 1025140633 is about 1008.3109477959.

Adding to 1025140633 its reverse (3360415201), we get a palindrome (4385555834).

The spelling of 1025140633 in words is "one billion, twenty-five million, one hundred forty thousand, six hundred thirty-three".