3200503945 has 8 divisors (see below), whose sum is σ = 3973039560. Its totient is φ = 2472113280.

The previous prime is 3200503939. The next prime is 3200503949. The reversal of 3200503945 is 5493050023.

3200503945 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 4 ways, for example, as 172423161 + 3028080784 = 13131^2 + 55028^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3200503945 - 2⁹ = 3200503433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3200503949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11036076 + ... + 11036365.

It is an arithmetic number, because the mean of its divisors is an integer number (496629945).

Almost surely, 2^3200503945 is an apocalyptic number.

It is an amenable number.

3200503945 is a deficient number, since it is larger than the sum of its proper divisors (772535615).

3200503945 is a wasteful number, since it uses less digits than its factorization.

3200503945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22072475.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 3200503945 is about 56572.9966061548. The cubic root of 3200503945 is about 1473.6899516147.

Adding to 3200503945 its reverse (5493050023), we get a palindrome (8693553968).

The spelling of 3200503945 in words is "three billion, two hundred million, five hundred three thousand, nine hundred forty-five".