2653578 has 24 divisors (see below), whose sum is σ = 6052800. Its totient is φ = 837864.

The previous prime is 2653571. The next prime is 2653583. The reversal of 2653578 is 8753562.

2653578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2653571) 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 11 ways as a sum of consecutive naturals, for example, 3538 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (252200).

2^2653578 is an apocalyptic number.

2653578 is an abundant number, since it is smaller than the sum of its proper divisors (3399222).

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

2653578 is a wasteful number, since it uses less digits than its factorization.

2653578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786 (or 7783 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2653578 is about 1628.9806628687. The cubic root of 2653578 is about 138.4450032961.

The spelling of 2653578 in words is "two million, six hundred fifty-three thousand, five hundred seventy-eight".