2003652191 has 4 divisors (see below), whose sum is σ = 2003747232. Its totient is φ = 2003557152.

The previous prime is 2003652151. The next prime is 2003652193. The reversal of 2003652191 is 1912563002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2003652191 - 2¹⁸ = 2003390047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003652193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170 + ... + 63303.

It is an arithmetic number, because the mean of its divisors is an integer number (500936808).

Almost surely, 2^2003652191 is an apocalyptic number.

2003652191 is a deficient number, since it is larger than the sum of its proper divisors (95041).

2003652191 is an equidigital number, since it uses as much as digits as its factorization.

2003652191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95040.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2003652191 is about 44762.1736625915. The cubic root of 2003652191 is about 1260.6874956029.

It can be divided in two parts, 20036 and 52191, that added together give a palindrome (72227).

The spelling of 2003652191 in words is "two billion, three million, six hundred fifty-two thousand, one hundred ninety-one".