2513578 has 16 divisors (see below), whose sum is σ = 4012416. Its totient is φ = 1178320.

The previous prime is 2513557. The next prime is 2513579. The reversal of 2513578 is 8753152.

2513578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2513579) 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 7 ways as a sum of consecutive naturals, for example, 1923 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (250776).

2^2513578 is an apocalyptic number.

2513578 is a deficient number, since it is larger than the sum of its proper divisors (1498838).

2513578 is a wasteful number, since it uses less digits than its factorization.

2513578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its digits is 8400, while the sum is 31.

The square root of 2513578 is about 1585.4267564287. The cubic root of 2513578 is about 135.9661464180.

The spelling of 2513578 in words is "two million, five hundred thirteen thousand, five hundred seventy-eight".