10978925 has 6 divisors (see below), whose sum is σ = 13613898. Its totient is φ = 8783120.

The previous prime is 10978921. The next prime is 10978927. The reversal of 10978925 is 52987901.

It can be written as a sum of positive squares in 3 ways, for example, as 1990921 + 8988004 = 1411^2 + 2998^2 .

It is not a de Polignac number, because 10978925 - 2² = 10978921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10978921) 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 5 ways as a sum of consecutive naturals, for example, 219554 + ... + 219603.

It is an arithmetic number, because the mean of its divisors is an integer number (2268983).

Almost surely, 2^10978925 is an apocalyptic number.

It is an amenable number.

10978925 is a deficient number, since it is larger than the sum of its proper divisors (2634973).

10978925 is an equidigital number, since it uses as much as digits as its factorization.

10978925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439167 (or 439162 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 10978925 is about 3313.4460913074. The cubic root of 10978925 is about 222.2558867980.

The spelling of 10978925 in words is "ten million, nine hundred seventy-eight thousand, nine hundred twenty-five".