2530090 has 12 divisors (see below), whose sum is σ = 4563234. Its totient is φ = 1010024.

The previous prime is 2530079. The next prime is 2530091. The reversal of 2530090 is 900352.

2530090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2277081 + 253009 = 1509^2 + 503^2 .

It is not an unprimeable number, because it can be changed into a prime (2530091) 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 5 ways as a sum of consecutive naturals, for example, 4779 + ... + 5281.

2^2530090 is an apocalyptic number.

2530090 is a deficient number, since it is larger than the sum of its proper divisors (2033144).

2530090 is an frugal number, since it uses more digits than its factorization.

2530090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 2530090 is about 1590.6256630647. The cubic root of 2530090 is about 136.2632229122.

The spelling of 2530090 in words is "two million, five hundred thirty thousand, ninety".