2103887257 has 8 divisors (see below), whose sum is σ = 2196630720. Its totient is φ = 2011249680.

The previous prime is 2103887249. The next prime is 2103887299. The reversal of 2103887257 is 7527883012.

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 2103887257 - 2³ = 2103887249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103887057) 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, 15582 + ... + 66712.

It is an arithmetic number, because the mean of its divisors is an integer number (274578840).

Almost surely, 2^2103887257 is an apocalyptic number.

It is an amenable number.

2103887257 is a deficient number, since it is larger than the sum of its proper divisors (92743463).

2103887257 is a wasteful number, since it uses less digits than its factorization.

2103887257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52943.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 2103887257 is about 45868.1507911535. The cubic root of 2103887257 is about 1281.3688272041.

The spelling of 2103887257 in words is "two billion, one hundred three million, eight hundred eighty-seven thousand, two hundred fifty-seven".