2502656 has 52 divisors (see below), whose sum is σ = 5504352. Its totient is φ = 1130496.

The previous prime is 2502649. The next prime is 2502667. The reversal of 2502656 is 6562052.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (52).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53225 + ... + 53271.

2^2502656 is an apocalyptic number.

2502656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2502656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752176).

2502656 is an abundant number, since it is smaller than the sum of its proper divisors (3001696).

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

2502656 is an equidigital number, since it uses as much as digits as its factorization.

2502656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2502656 is about 1581.9785080715. The cubic root of 2502656 is about 135.7689271069.

The spelling of 2502656 in words is "two million, five hundred two thousand, six hundred fifty-six".