2500554 has 32 divisors (see below), whose sum is σ = 5915520. Its totient is φ = 689472.

The previous prime is 2500543. The next prime is 2500559. The reversal of 2500554 is 4550052.

2500554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2500554.

It is not an unprimeable number, because it can be changed into a prime (2500559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (184860).

2^2500554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2957760).

2500554 is an abundant number, since it is smaller than the sum of its proper divisors (3414966).

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

2500554 is a wasteful number, since it uses less digits than its factorization.

2500554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2500554 is about 1581.3140105621. The cubic root of 2500554 is about 135.7309053384.

The spelling of 2500554 in words is "two million, five hundred thousand, five hundred fifty-four".