2656528 has 20 divisors (see below), whose sum is σ = 5882560. Its totient is φ = 1138464.

The previous prime is 2656501. The next prime is 2656529. The reversal of 2656528 is 8256562.

It is a d-powerful number, because it can be written as 2² + 6 + 5⁸ + 6⁷ + 5⁹ + 2¹⁵ + 8² .

It is a junction number, because it is equal to n+sod(n) for n = 2656493 and 2656502.

It is not an unprimeable number, because it can be changed into a prime (2656529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11748 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (294128).

2^2656528 is an apocalyptic number.

2656528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2656528 is an abundant number, since it is smaller than the sum of its proper divisors (3226032).

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

2656528 is a wasteful number, since it uses less digits than its factorization.

2656528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23734 (or 23728 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 2656528 is about 1629.8858855760. The cubic root of 2656528 is about 138.4962877013.

Adding to 2656528 its sum of digits (34), we get a palindrome (2656562).

The spelling of 2656528 in words is "two million, six hundred fifty-six thousand, five hundred twenty-eight".