2530990 has 64 divisors (see below), whose sum is σ = 6013440. Its totient is φ = 743040.

The previous prime is 2530987. The next prime is 2530991. The reversal of 2530990 is 990352.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530991) 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 31 ways as a sum of consecutive naturals, for example, 14544 + ... + 14716.

It is an arithmetic number, because the mean of its divisors is an integer number (93960).

2^2530990 is an apocalyptic number.

2530990 is an abundant number, since it is smaller than the sum of its proper divisors (3482450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2530990 is a wasteful number, since it uses less digits than its factorization.

2530990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 2530990 is about 1590.9085454545. The cubic root of 2530990 is about 136.2793781164.

The spelling of 2530990 in words is "two million, five hundred thirty thousand, nine hundred ninety".