2001203245 has 4 divisors (see below), whose sum is σ = 2401443900. Its totient is φ = 1600962592.

The previous prime is 2001203227. The next prime is 2001203257. The reversal of 2001203245 is 5423021002.

2001203245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1031565924 + 969637321 = 32118^2 + 31139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001203245 - 2⁵ = 2001203213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200120320 + ... + 200120329.

It is an arithmetic number, because the mean of its divisors is an integer number (600360975).

Almost surely, 2^2001203245 is an apocalyptic number.

It is an amenable number.

2001203245 is a deficient number, since it is larger than the sum of its proper divisors (400240655).

2001203245 is an equidigital number, since it uses as much as digits as its factorization.

2001203245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400240654.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2001203245 is about 44734.8102153122. The cubic root of 2001203245 is about 1260.1736648593.

Adding to 2001203245 its reverse (5423021002), we get a palindrome (7424224247).

The spelling of 2001203245 in words is "two billion, one million, two hundred three thousand, two hundred forty-five".