2132578 has 24 divisors (see below), whose sum is σ = 3808512. Its totient is φ = 892584.

The previous prime is 2132567. The next prime is 2132587. The reversal of 2132578 is 8752312.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3⁵ + 2²¹ + 5 + 7⁴ + 8 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4375 + ... + 4837.

It is an arithmetic number, because the mean of its divisors is an integer number (158688).

2^2132578 is an apocalyptic number.

2132578 is a deficient number, since it is larger than the sum of its proper divisors (1675934).

2132578 is a wasteful number, since it uses less digits than its factorization.

2132578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 519 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 2132578 is about 1460.3348930982. The cubic root of 2132578 is about 128.7167231057.

The spelling of 2132578 in words is "two million, one hundred thirty-two thousand, five hundred seventy-eight".