1587587241 has 4 divisors (see below), whose sum is σ = 2116782992. Its totient is φ = 1058391492.

The previous prime is 1587587233. The next prime is 1587587257. The reversal of 1587587241 is 1427857851.

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 not a de Polignac number, because 1587587241 - 2³ = 1587587233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1587587941) 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, 264597871 + ... + 264597876.

It is an arithmetic number, because the mean of its divisors is an integer number (529195748).

Almost surely, 2^1587587241 is an apocalyptic number.

It is an amenable number.

1587587241 is a deficient number, since it is larger than the sum of its proper divisors (529195751).

1587587241 is an equidigital number, since it uses as much as digits as its factorization.

1587587241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529195750.

The product of its digits is 627200, while the sum is 48.

The square root of 1587587241 is about 39844.5384086703. The cubic root of 1587587241 is about 1166.5746458668.

The spelling of 1587587241 in words is "one billion, five hundred eighty-seven million, five hundred eighty-seven thousand, two hundred forty-one".