2571382 has 8 divisors (see below), whose sum is σ = 4207752. Its totient is φ = 1168800.

The previous prime is 2571337. The next prime is 2571409. The reversal of 2571382 is 2831752.

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

It is a super-2 number, since 2×2571382² = 13224010779848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2571382.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 58419 + ... + 58462.

It is an arithmetic number, because the mean of its divisors is an integer number (525969).

2^2571382 is an apocalyptic number.

2571382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2571382 is a deficient number, since it is larger than the sum of its proper divisors (1636370).

2571382 is a wasteful number, since it uses less digits than its factorization.

2571382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116894.

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

The square root of 2571382 is about 1603.5529302147. The cubic root of 2571382 is about 137.0005150317. Note that the first 3 decimals are identical.

The spelling of 2571382 in words is "two million, five hundred seventy-one thousand, three hundred eighty-two".