10887545 has 4 divisors (see below), whose sum is σ = 13065060. Its totient is φ = 8710032.

The previous prime is 10887523. The next prime is 10887559. The reversal of 10887545 is 54578801.

10887545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54578801 = 2999 ⋅18199.

It can be written as a sum of positive squares in 2 ways, for example, as 1517824 + 9369721 = 1232^2 + 3061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10887545 is a prime.

It is a super-2 number, since 2×10887545² = 237077272254050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10887499 and 10887508.

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, 1088750 + ... + 1088759.

It is an arithmetic number, because the mean of its divisors is an integer number (3266265).

Almost surely, 2^10887545 is an apocalyptic number.

It is an amenable number.

10887545 is a deficient number, since it is larger than the sum of its proper divisors (2177515).

10887545 is an equidigital number, since it uses as much as digits as its factorization.

10887545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177514.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 10887545 is about 3299.6280093368. The cubic root of 10887545 is about 221.6375399070.

The spelling of 10887545 in words is "ten million, eight hundred eighty-seven thousand, five hundred forty-five".