2530453 has 4 divisors (see below), whose sum is σ = 2617740. Its totient is φ = 2443168.

The previous prime is 2530441. The next prime is 2530457. The reversal of 2530453 is 3540352.

2530453 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.

It can be written as a sum of positive squares in 2 ways, for example, as 508369 + 2022084 = 713^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530453 - 2¹⁷ = 2399381 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530457) 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, 43600 + ... + 43657.

It is an arithmetic number, because the mean of its divisors is an integer number (654435).

2^2530453 is an apocalyptic number.

It is an amenable number.

2530453 is a deficient number, since it is larger than the sum of its proper divisors (87287).

2530453 is an equidigital number, since it uses as much as digits as its factorization.

2530453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87286.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2530453 is about 1590.7397650150. The cubic root of 2530453 is about 136.2697393055.

The spelling of 2530453 in words is "two million, five hundred thirty thousand, four hundred fifty-three".