1025888553 has 6 divisors (see below), whose sum is σ = 1481839034. Its totient is φ = 683925696.

The previous prime is 1025888533. The next prime is 1025888561. The reversal of 1025888553 is 3558885201.

1025888553 is a `hidden beast` number, since 10 + 2 + 5 + 8 + 88 + 553 = 666.

1025888553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 825297984 + 200590569 = 28728^2 + 14163^2 .

It is not a de Polignac number, because 1025888553 - 2⁹ = 1025888041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025888499 and 1025888508.

It is not an unprimeable number, because it can be changed into a prime (1025888503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56993800 + ... + 56993817.

Almost surely, 2^1025888553 is an apocalyptic number.

It is an amenable number.

1025888553 is a deficient number, since it is larger than the sum of its proper divisors (455950481).

1025888553 is a wasteful number, since it uses less digits than its factorization.

1025888553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113987623 (or 113987620 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The square root of 1025888553 is about 32029.4950475339. The cubic root of 1025888553 is about 1008.5561019968.

The spelling of 1025888553 in words is "one billion, twenty-five million, eight hundred eighty-eight thousand, five hundred fifty-three".