2000125553 has 2 divisors, whose sum is σ = 2000125554. Its totient is φ = 2000125552.

The previous prime is 2000125541. The next prime is 2000125577. The reversal of 2000125553 is 3555210002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1983544369 + 16581184 = 44537^2 + 4072^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000125553 - 2²⁴ = 1983348337 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000125583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000062776 + 1000062777.

It is an arithmetic number, because the mean of its divisors is an integer number (1000062777).

Almost surely, 2^2000125553 is an apocalyptic number.

It is an amenable number.

2000125553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000125553 is an equidigital number, since it uses as much as digits as its factorization.

2000125553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2000125553 is about 44722.7632531801. The cubic root of 2000125553 is about 1259.9474138211.

Adding to 2000125553 its reverse (3555210002), we get a palindrome (5555335555).

It can be divided in two parts, 20001 and 25553, that added together give a palindrome (45554).

The spelling of 2000125553 in words is "two billion, one hundred twenty-five thousand, five hundred fifty-three".