2554065687 has 4 divisors (see below), whose sum is σ = 3405420920. Its totient is φ = 1702710456.

The previous prime is 2554065677. The next prime is 2554065697. The reversal of 2554065687 is 7865604552.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2554065677) and next prime (2554065697).

It is not a de Polignac number, because 2554065687 - 2¹⁵ = 2554032919 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 (2554065667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425677612 + ... + 425677617.

It is an arithmetic number, because the mean of its divisors is an integer number (851355230).

Almost surely, 2^2554065687 is an apocalyptic number.

2554065687 is a deficient number, since it is larger than the sum of its proper divisors (851355233).

2554065687 is an equidigital number, since it uses as much as digits as its factorization.

2554065687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851355232.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The square root of 2554065687 is about 50537.7649584942. The cubic root of 2554065687 is about 1366.9229048860.

The spelling of 2554065687 in words is "two billion, five hundred fifty-four million, sixty-five thousand, six hundred eighty-seven".