2500839287 has 4 divisors (see below), whose sum is σ = 2568429576. Its totient is φ = 2433249000.

The previous prime is 2500839283. The next prime is 2500839301. The reversal of 2500839287 is 7829380052.

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

It is a cyclic number.

It is not a de Polignac number, because 2500839287 - 2² = 2500839283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500839283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33795089 + ... + 33795162.

It is an arithmetic number, because the mean of its divisors is an integer number (642107394).

Almost surely, 2^2500839287 is an apocalyptic number.

2500839287 is a deficient number, since it is larger than the sum of its proper divisors (67590289).

2500839287 is an equidigital number, since it uses as much as digits as its factorization.

2500839287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67590288.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 2500839287 is about 50008.3921657155. The cubic root of 2500839287 is about 1357.3606696659.

The spelling of 2500839287 in words is "two billion, five hundred million, eight hundred thirty-nine thousand, two hundred eighty-seven".