2625456 has 40 divisors (see below), whose sum is σ = 6874560. Its totient is φ = 863296.

The previous prime is 2625449. The next prime is 2625481. The reversal of 2625456 is 6545262.

2625456 is nontrivially palindromic in base 5.

It is an Ulam number.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3655 + ... + 4313.

It is an arithmetic number, because the mean of its divisors is an integer number (171864).

2^2625456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2625456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3437280).

2625456 is an abundant number, since it is smaller than the sum of its proper divisors (4249104).

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

2625456 is a wasteful number, since it uses less digits than its factorization.

2625456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 747 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2625456 is about 1620.3258931462. The cubic root of 2625456 is about 137.9541960989.

Adding to 2625456 its sum of digits (30), we get a triangular number (2625486 = T₂₂₉₁).

It can be divided in two parts, 2625 and 456, that added together give a triangular number (3081 = T₇₈).

The spelling of 2625456 in words is "two million, six hundred twenty-five thousand, four hundred fifty-six".