2003531252 has 6 divisors (see below), whose sum is σ = 3506179698. Its totient is φ = 1001765624.

The previous prime is 2003531239. The next prime is 2003531261. The reversal of 2003531252 is 2521353002.

It can be written as a sum of positive squares in only one way, i.e., 1161719056 + 841812196 = 34084^2 + 29014^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250441403 + ... + 250441410.

It is an arithmetic number, because the mean of its divisors is an integer number (584363283).

Almost surely, 2^2003531252 is an apocalyptic number.

It is an amenable number.

2003531252 is a deficient number, since it is larger than the sum of its proper divisors (1502648446).

2003531252 is a wasteful number, since it uses less digits than its factorization.

2003531252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500882817 (or 500882815 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2003531252 is about 44760.8227359596. The cubic root of 2003531252 is about 1260.6621303634.

Adding to 2003531252 its reverse (2521353002), we get a palindrome (4524884254).

The spelling of 2003531252 in words is "two billion, three million, five hundred thirty-one thousand, two hundred fifty-two".