10987025 has 18 divisors (see below), whose sum is σ = 15849990. Its totient is φ = 7533120.

The previous prime is 10987021. The next prime is 10987043. The reversal of 10987025 is 52078901.

It can be written as a sum of positive squares in 3 ways, for example, as 753424 + 10233601 = 868^2 + 3199^2 .

It is not a de Polignac number, because 10987025 - 2² = 10987021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10986982 and 10987000.

It is not an unprimeable number, because it can be changed into a prime (10987021) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 3260 + ... + 5709.

It is an arithmetic number, because the mean of its divisors is an integer number (880555).

Almost surely, 2^10987025 is an apocalyptic number.

It is an amenable number.

10987025 is a deficient number, since it is larger than the sum of its proper divisors (4862965).

10987025 is an equidigital number, since it uses as much as digits as its factorization.

10987025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993 (or 8981 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 10987025 is about 3314.6681583531. The cubic root of 10987025 is about 222.3105317999.

The spelling of 10987025 in words is "ten million, nine hundred eighty-seven thousand, twenty-five".