1087608513 has 4 divisors (see below), whose sum is σ = 1450144688. Its totient is φ = 725072340.

The previous prime is 1087608497. The next prime is 1087608527. The reversal of 1087608513 is 3158067801.

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 1087608513 - 2⁴ = 1087608497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1087608113) 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, 181268083 + ... + 181268088.

It is an arithmetic number, because the mean of its divisors is an integer number (362536172).

Almost surely, 2^1087608513 is an apocalyptic number.

It is an amenable number.

1087608513 is a deficient number, since it is larger than the sum of its proper divisors (362536175).

1087608513 is an equidigital number, since it uses as much as digits as its factorization.

1087608513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362536174.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1087608513 is about 32978.9101245023. The cubic root of 1087608513 is about 1028.3892607638.

The spelling of 1087608513 in words is "one billion, eighty-seven million, six hundred eight thousand, five hundred thirteen".