2581327 has 8 divisors (see below), whose sum is σ = 2960000. Its totient is φ = 2205144.

The previous prime is 2581289. The next prime is 2581349. The reversal of 2581327 is 7231852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2581327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2581295 and 2581304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124 + ... + 3862.

It is an arithmetic number, because the mean of its divisors is an integer number (370000).

2^2581327 is an apocalyptic number.

2581327 is a deficient number, since it is larger than the sum of its proper divisors (378673).

2581327 is an equidigital number, since it uses as much as digits as its factorization.

2581327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

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

The square root of 2581327 is about 1606.6508643760. The cubic root of 2581327 is about 137.1769075194.

The spelling of 2581327 in words is "two million, five hundred eighty-one thousand, three hundred twenty-seven".