10587505 has 4 divisors (see below), whose sum is σ = 12705012. Its totient is φ = 8470000.

The previous prime is 10587487. The next prime is 10587539. The reversal of 10587505 is 50578501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50578501 = 67 ⋅754903.

It can be written as a sum of positive squares in 2 ways, for example, as 7795264 + 2792241 = 2792^2 + 1671^2 .

It is not a de Polignac number, because 10587505 - 2⁷ = 10587377 is a prime.

It is a super-2 number, since 2×10587505² = 224190524250050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058746 + ... + 1058755.

It is an arithmetic number, because the mean of its divisors is an integer number (3176253).

Almost surely, 2^10587505 is an apocalyptic number.

It is an amenable number.

10587505 is a deficient number, since it is larger than the sum of its proper divisors (2117507).

10587505 is an equidigital number, since it uses as much as digits as its factorization.

10587505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117506.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 10587505 is about 3253.8446490267. The cubic root of 10587505 is about 219.5825762578.

It can be divided in two parts, 10587 and 505, that multiplied together give a palindrome (5346435).

The spelling of 10587505 in words is "ten million, five hundred eighty-seven thousand, five hundred five".