2530553 has 4 divisors (see below), whose sum is σ = 2663760. Its totient is φ = 2397348.

The previous prime is 2530547. The next prime is 2530571. The reversal of 2530553 is 3550352.

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 2530553 - 2¹⁰ = 2529529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2530513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66575 + ... + 66612.

It is an arithmetic number, because the mean of its divisors is an integer number (665940).

2^2530553 is an apocalyptic number.

It is an amenable number.

2530553 is a deficient number, since it is larger than the sum of its proper divisors (133207).

2530553 is a wasteful number, since it uses less digits than its factorization.

2530553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133206.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 2530553 is about 1590.7711966213. The cubic root of 2530553 is about 136.2715343457.

The spelling of 2530553 in words is "two million, five hundred thirty thousand, five hundred fifty-three".