2578512 has 20 divisors (see below), whose sum is σ = 6661280. Its totient is φ = 859488.

The previous prime is 2578489. The next prime is 2578517. The reversal of 2578512 is 2158752.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2578512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26812 + ... + 26907.

It is an arithmetic number, because the mean of its divisors is an integer number (333064).

2^2578512 is an apocalyptic number.

It is an amenable number.

2578512 is an abundant number, since it is smaller than the sum of its proper divisors (4082768).

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

2578512 is a wasteful number, since it uses less digits than its factorization.

2578512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53730 (or 53724 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 2578512 is about 1605.7745794476. The cubic root of 2578512 is about 137.1270244619.

The spelling of 2578512 in words is "two million, five hundred seventy-eight thousand, five hundred twelve".