2573240 has 32 divisors (see below), whose sum is σ = 6043680. Its totient is φ = 984192.

The previous prime is 2573237. The next prime is 2573251. The reversal of 2573240 is 423752.

2573240 is digitally balanced in base 2 and base 5, because in such bases 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 (23).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 479 + ... + 2318.

It is an arithmetic number, because the mean of its divisors is an integer number (188865).

2^2573240 is an apocalyptic number.

2573240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2573240 is an abundant number, since it is smaller than the sum of its proper divisors (3470440).

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

2573240 is a wasteful number, since it uses less digits than its factorization.

2573240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2573240 is about 1604.1321641311. The cubic root of 2573240 is about 137.0335045126.

Adding to 2573240 its reverse (423752), we get a palindrome (2996992).

The spelling of 2573240 in words is "two million, five hundred seventy-three thousand, two hundred forty".