2131052453 has 4 divisors (see below), whose sum is σ = 2134286880. Its totient is φ = 2127818028.

The previous prime is 2131052411. The next prime is 2131052477. The reversal of 2131052453 is 3542501312.

It is a happy number.

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 2131052453 - 2¹² = 2131048357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131052353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616225 + ... + 1617542.

It is an arithmetic number, because the mean of its divisors is an integer number (533571720).

Almost surely, 2^2131052453 is an apocalyptic number.

It is an amenable number.

2131052453 is a deficient number, since it is larger than the sum of its proper divisors (3234427).

2131052453 is an equidigital number, since it uses as much as digits as its factorization.

2131052453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234426.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2131052453 is about 46163.3236780022. The cubic root of 2131052453 is about 1286.8602313408.

Adding to 2131052453 its reverse (3542501312), we get a palindrome (5673553765).

The spelling of 2131052453 in words is "two billion, one hundred thirty-one million, fifty-two thousand, four hundred fifty-three".