2587424557 has 4 divisors (see below), whose sum is σ = 2588190976. Its totient is φ = 2586658140.

The previous prime is 2587424533. The next prime is 2587424561. The reversal of 2587424557 is 7554247852.

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 2587424557 - 2¹⁹ = 2586900269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2587424557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587424507) 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, 378123 + ... + 384904.

It is an arithmetic number, because the mean of its divisors is an integer number (647047744).

Almost surely, 2^2587424557 is an apocalyptic number.

It is an amenable number.

2587424557 is a deficient number, since it is larger than the sum of its proper divisors (766419).

2587424557 is an equidigital number, since it uses as much as digits as its factorization.

2587424557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766418.

The product of its digits is 3136000, while the sum is 49.

The square root of 2587424557 is about 50866.7333038008. The cubic root of 2587424557 is about 1372.8483472966.

The spelling of 2587424557 in words is "two billion, five hundred eighty-seven million, four hundred twenty-four thousand, five hundred fifty-seven".