2640573 has 16 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 1624752.

The previous prime is 2640571. The next prime is 2640577. The reversal of 2640573 is 3750462.

It is a happy number.

2640573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2640573 - 2¹ = 2640571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640571) 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, 3411 + ... + 4112.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

2^2640573 is an apocalyptic number.

It is an amenable number.

2640573 is a deficient number, since it is larger than the sum of its proper divisors (1572867).

2640573 is a wasteful number, since it uses less digits than its factorization.

2640573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545 (or 7539 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2640573 is about 1624.9839999212. The cubic root of 2640573 is about 138.2184630499.

The spelling of 2640573 in words is "two million, six hundred forty thousand, five hundred seventy-three".