2487272251 has 4 divisors (see below), whose sum is σ = 2489783104. Its totient is φ = 2484761400.

The previous prime is 2487272239. The next prime is 2487272297. The reversal of 2487272251 is 1522727842.

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 2487272251 - 2⁵ = 2487272219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2487272651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253940 + ... + 1255921.

It is an arithmetic number, because the mean of its divisors is an integer number (622445776).

Almost surely, 2^2487272251 is an apocalyptic number.

2487272251 is a deficient number, since it is larger than the sum of its proper divisors (2510853).

2487272251 is an equidigital number, since it uses as much as digits as its factorization.

2487272251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510852.

The product of its digits is 125440, while the sum is 40.

The square root of 2487272251 is about 49872.5601007207. The cubic root of 2487272251 is about 1354.9016601425.

The spelling of 2487272251 in words is "two billion, four hundred eighty-seven million, two hundred seventy-two thousand, two hundred fifty-one".