2551683 has 8 divisors (see below), whose sum is σ = 3602448. Its totient is φ = 1601024.

The previous prime is 2551657. The next prime is 2551687. The reversal of 2551683 is 3861552.

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

It is a cyclic number.

It is not a de Polignac number, because 2551683 - 2⁵ = 2551651 is a prime.

It is a super-2 number, since 2×2551683² = 13022172264978, which contains 22 as substring.

2551683 is a modest number, since divided by 1683 gives 255 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2551683.

It is not an unprimeable number, because it can be changed into a prime (2551687) 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, 24966 + ... + 25067.

It is an arithmetic number, because the mean of its divisors is an integer number (450306).

2^2551683 is an apocalyptic number.

2551683 is a deficient number, since it is larger than the sum of its proper divisors (1050765).

2551683 is a wasteful number, since it uses less digits than its factorization.

2551683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50053.

The product of its digits is 7200, while the sum is 30.

The square root of 2551683 is about 1597.3988230871. The cubic root of 2551683 is about 136.6497705333.

The spelling of 2551683 in words is "two million, five hundred fifty-one thousand, six hundred eighty-three".