2544630 has 48 divisors (see below), whose sum is σ = 6722352. Its totient is φ = 616000.

The previous prime is 2544629. The next prime is 2544631. The reversal of 2544630 is 364452.

It is an interprime number because it is at equal distance from previous prime (2544629) and next prime (2544631).

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 4⁶ + 4⁷ + 6⁶ + 3⁴ + 0 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2544630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3280 + ... + 3980.

It is an arithmetic number, because the mean of its divisors is an integer number (140049).

2^2544630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2544630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3361176).

2544630 is an abundant number, since it is smaller than the sum of its proper divisors (4177722).

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

2544630 is a wasteful number, since it uses less digits than its factorization.

2544630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2544630 is about 1595.1896438982. The cubic root of 2544630 is about 136.5237517203.

It can be divided in two parts, 254 and 4630, that added together give a palindrome (4884).

The spelling of 2544630 in words is "two million, five hundred forty-four thousand, six hundred thirty".