2001134452 has 6 divisors (see below), whose sum is σ = 3501985298. Its totient is φ = 1000567224.

The previous prime is 2001134449. The next prime is 2001134453. The reversal of 2001134452 is 2544311002.

It can be written as a sum of positive squares in only one way, i.e., 1264229136 + 736905316 = 35556^2 + 27146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001134453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250141803 + ... + 250141810.

Almost surely, 2^2001134452 is an apocalyptic number.

It is an amenable number.

2001134452 is a deficient number, since it is larger than the sum of its proper divisors (1500850846).

2001134452 is a wasteful number, since it uses less digits than its factorization.

2001134452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500283617 (or 500283615 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2001134452 is about 44734.0413108407. The cubic root of 2001134452 is about 1260.1592248600.

Adding to 2001134452 its reverse (2544311002), we get a palindrome (4545445454).

The spelling of 2001134452 in words is "two billion, one million, one hundred thirty-four thousand, four hundred fifty-two".