2557003683 has 8 divisors (see below), whose sum is σ = 3671595088. Its totient is φ = 1573540704.

The previous prime is 2557003661. The next prime is 2557003699. The reversal of 2557003683 is 3863007552.

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

It is not a de Polignac number, because 2557003683 - 2¹⁰ = 2557002659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 65564197 = 2557003683 / (2 + 5 + 5 + 7 + 0 + 0 + 3 + 6 + 8 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2557003583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32782060 + ... + 32782137.

It is an arithmetic number, because the mean of its divisors is an integer number (458949386).

Almost surely, 2^2557003683 is an apocalyptic number.

2557003683 is a deficient number, since it is larger than the sum of its proper divisors (1114591405).

2557003683 is a wasteful number, since it uses less digits than its factorization.

2557003683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65564213.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 2557003683 is about 50566.8239362529. The cubic root of 2557003683 is about 1367.4468375226.

The spelling of 2557003683 in words is "two billion, five hundred fifty-seven million, three thousand, six hundred eighty-three".