1087458513 has 4 divisors (see below), whose sum is σ = 1449944688. Its totient is φ = 724972340.

The previous prime is 1087458497. The next prime is 1087458557. The reversal of 1087458513 is 3158547801.

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 1087458513 - 2⁴ = 1087458497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087458413) 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, 181243083 + ... + 181243088.

It is an arithmetic number, because the mean of its divisors is an integer number (362486172).

Almost surely, 2^1087458513 is an apocalyptic number.

It is an amenable number.

1087458513 is a deficient number, since it is larger than the sum of its proper divisors (362486175).

1087458513 is an equidigital number, since it uses as much as digits as its factorization.

1087458513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362486174.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 1087458513 is about 32976.6358654123. The cubic root of 1087458513 is about 1028.3419810428.

The spelling of 1087458513 in words is "one billion, eighty-seven million, four hundred fifty-eight thousand, five hundred thirteen".