203053689 has 64 divisors (see below), whose sum is σ = 326645760. Its totient is φ = 124416000.

The previous prime is 203053687. The next prime is 203053709. The reversal of 203053689 is 986350302.

203053689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203053689 - 2¹ = 203053687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203053687) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2093289 + ... + 2093385.

It is an arithmetic number, because the mean of its divisors is an integer number (5103840).

Almost surely, 2^203053689 is an apocalyptic number.

It is an amenable number.

203053689 is a deficient number, since it is larger than the sum of its proper divisors (123592071).

203053689 is a wasteful number, since it uses less digits than its factorization.

203053689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 203053689 is about 14249.6908387516. The cubic root of 203053689 is about 587.7648737133.

It can be divided in two parts, 2030536 and 89, that added together give a square (2030625 = 1425²).

The spelling of 203053689 in words is "two hundred three million, fifty-three thousand, six hundred eighty-nine".