2523647 has 6 divisors (see below), whose sum is σ = 2935728. Its totient is φ = 2163084.

The previous prime is 2523643. The next prime is 2523671. The reversal of 2523647 is 7463252.

It is not a de Polignac number, because 2523647 - 2² = 2523643 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁹ + 2¹⁹ + 3⁹ + 6⁵ + 4⁷ + 7³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523641) 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 5 ways as a sum of consecutive naturals, for example, 25703 + ... + 25800.

It is an arithmetic number, because the mean of its divisors is an integer number (489288).

2^2523647 is an apocalyptic number.

2523647 is a deficient number, since it is larger than the sum of its proper divisors (412081).

2523647 is an equidigital number, since it uses as much as digits as its factorization.

2523647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51517 (or 51510 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 2523647 is about 1588.5990683618. The cubic root of 2523647 is about 136.1474575647.

Adding to 2523647 its reverse (7463252), we get a palindrome (9986899).

The spelling of 2523647 in words is "two million, five hundred twenty-three thousand, six hundred forty-seven".