2003201534 has 16 divisors (see below), whose sum is σ = 3161286576. Its totient is φ = 950760000.

The previous prime is 2003201527. The next prime is 2003201539. The reversal of 2003201534 is 4351023002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003201539) 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, 327092 + ... + 333159.

It is an arithmetic number, because the mean of its divisors is an integer number (197580411).

Almost surely, 2^2003201534 is an apocalyptic number.

2003201534 is a deficient number, since it is larger than the sum of its proper divisors (1158085042).

2003201534 is a wasteful number, since it uses less digits than its factorization.

2003201534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660331.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2003201534 is about 44757.1394751720. The cubic root of 2003201534 is about 1260.5929715054.

Adding to 2003201534 its reverse (4351023002), we get a palindrome (6354224536).

The spelling of 2003201534 in words is "two billion, three million, two hundred one thousand, five hundred thirty-four".