2131453 has 4 divisors (see below), whose sum is σ = 2136960. Its totient is φ = 2125948.

The previous prime is 2131447. The next prime is 2131457. The reversal of 2131453 is 3541312.

2131453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2131453 - 2¹⁷ = 2000381 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 1 + 3³ + 1 + 4⁵ + 5⁹ + 3¹¹ .

It is a Duffinian number.

2131453 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131457) 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 3 ways as a sum of consecutive naturals, for example, 2125 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (534240).

2^2131453 is an apocalyptic number.

It is an amenable number.

2131453 is a deficient number, since it is larger than the sum of its proper divisors (5507).

2131453 is an equidigital number, since it uses as much as digits as its factorization.

2131453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506.

The product of its digits is 360, while the sum is 19.

The square root of 2131453 is about 1459.9496566663. The cubic root of 2131453 is about 128.6940851242.

Adding to 2131453 its reverse (3541312), we get a palindrome (5672765).

The spelling of 2131453 in words is "two million, one hundred thirty-one thousand, four hundred fifty-three".