2587083257 has 4 divisors (see below), whose sum is σ = 2822272656. Its totient is φ = 2351893860.

The previous prime is 2587083229. The next prime is 2587083293. The reversal of 2587083257 is 7523807852.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2587083257 - 2⁶ = 2587083193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2587083227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117594683 + ... + 117594704.

It is an arithmetic number, because the mean of its divisors is an integer number (705568164).

Almost surely, 2^2587083257 is an apocalyptic number.

It is an amenable number.

2587083257 is a deficient number, since it is larger than the sum of its proper divisors (235189399).

2587083257 is a wasteful number, since it uses less digits than its factorization.

2587083257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235189398.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 2587083257 is about 50863.3783482773. The cubic root of 2587083257 is about 1372.7879817691.

The spelling of 2587083257 in words is "two billion, five hundred eighty-seven million, eighty-three thousand, two hundred fifty-seven".