2001453 has 8 divisors (see below), whose sum is σ = 2754816. Its totient is φ = 1291200.

The previous prime is 2001451. The next prime is 2001463. The reversal of 2001453 is 3541002.

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

It is not a de Polignac number, because 2001453 - 2¹ = 2001451 is a prime.

It is a super-2 number, since 2×2001453² = 8011628222418, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10668 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (344352).

2^2001453 is an apocalyptic number.

It is an amenable number.

2001453 is a deficient number, since it is larger than the sum of its proper divisors (753363).

2001453 is a wasteful number, since it uses less digits than its factorization.

2001453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21555.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2001453 is about 1414.7271821804. The cubic root of 2001453 is about 126.0226086918.

Adding to 2001453 its reverse (3541002), we get a palindrome (5542455).

It can be divided in two parts, 200 and 1453, that added together give a triangular number (1653 = T₅₇).

The spelling of 2001453 in words is "two million, one thousand, four hundred fifty-three".