2520067287 has 4 divisors (see below), whose sum is σ = 3360089720. Its totient is φ = 1680044856.

The previous prime is 2520067273. The next prime is 2520067313. The reversal of 2520067287 is 7827600252.

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

It is not a de Polignac number, because 2520067287 - 2⁸ = 2520067031 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 (2520067087) 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, 420011212 + ... + 420011217.

It is an arithmetic number, because the mean of its divisors is an integer number (840022430).

Almost surely, 2^2520067287 is an apocalyptic number.

2520067287 is a deficient number, since it is larger than the sum of its proper divisors (840022433).

2520067287 is an equidigital number, since it uses as much as digits as its factorization.

2520067287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840022432.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 2520067287 is about 50200.2717821328. The cubic root of 2520067287 is about 1360.8305349068.

The spelling of 2520067287 in words is "two billion, five hundred twenty million, sixty-seven thousand, two hundred eighty-seven".