2551382 has 4 divisors (see below), whose sum is σ = 3827076. Its totient is φ = 1275690.

The previous prime is 2551369. The next prime is 2551397. The reversal of 2551382 is 2831552.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 637844 + ... + 637847.

It is an arithmetic number, because the mean of its divisors is an integer number (956769).

2^2551382 is an apocalyptic number.

2551382 is a deficient number, since it is larger than the sum of its proper divisors (1275694).

2551382 is a wasteful number, since it uses less digits than its factorization.

2551382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275693.

The product of its digits is 2400, while the sum is 26.

The square root of 2551382 is about 1597.3046046387. The cubic root of 2551382 is about 136.6443971911.

The spelling of 2551382 in words is "two million, five hundred fifty-one thousand, three hundred eighty-two".