2543064 has 64 divisors (see below), whose sum is σ = 7050240. Its totient is φ = 760320.

The previous prime is 2543059. The next prime is 2543111. The reversal of 2543064 is 4603452.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9249 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (110160).

2^2543064 is an apocalyptic number.

2543064 is a gapful number since it is divisible by the number (24) 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 2543064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3525120).

2543064 is an abundant number, since it is smaller than the sum of its proper divisors (4507176).

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

2543064 is a wasteful number, since it uses less digits than its factorization.

2543064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 316 counting only the distinct ones).

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

The square root of 2543064 is about 1594.6987176266. The cubic root of 2543064 is about 136.4957397804.

The spelling of 2543064 in words is "two million, five hundred forty-three thousand, sixty-four".