2582578 has 12 divisors (see below), whose sum is σ = 4051278. Its totient is φ = 1234640.

The previous prime is 2582551. The next prime is 2582581. The reversal of 2582578 is 8752852.

It can be written as a sum of positive squares in only one way, i.e., 2518569 + 64009 = 1587^2 + 253^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163 + ... + 2278.

2^2582578 is an apocalyptic number.

2582578 is a deficient number, since it is larger than the sum of its proper divisors (1468700).

2582578 is a wasteful number, since it uses less digits than its factorization.

2582578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2466 counting only the distinct ones).

The product of its digits is 44800, while the sum is 37.

The square root of 2582578 is about 1607.0401363998. The cubic root of 2582578 is about 137.1990641591.

It can be divided in two parts, 2582 and 578, that added together give a triangular number (3160 = T₇₉).

The spelling of 2582578 in words is "two million, five hundred eighty-two thousand, five hundred seventy-eight".