2530647 has 12 divisors (see below), whose sum is σ = 4177680. Its totient is φ = 1446048.

The previous prime is 2530597. The next prime is 2530663. The reversal of 2530647 is 7460352.

It is a happy number.

It is not a de Polignac number, because 2530647 - 2⁷ = 2530519 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 3⁴ + 0 + 6⁶ + 4⁶ + 7⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 2530647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530247) 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 11 ways as a sum of consecutive naturals, for example, 20022 + ... + 20147.

It is an arithmetic number, because the mean of its divisors is an integer number (348140).

2^2530647 is an apocalyptic number.

2530647 is a deficient number, since it is larger than the sum of its proper divisors (1647033).

2530647 is a wasteful number, since it uses less digits than its factorization.

2530647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40182 (or 40179 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2530647 is about 1590.8007417650. The cubic root of 2530647 is about 136.2732216403.

Adding to 2530647 its reverse (7460352), we get a palindrome (9990999).

The spelling of 2530647 in words is "two million, five hundred thirty thousand, six hundred forty-seven".