10981725 has 12 divisors (see below), whose sum is σ = 18156576. Its totient is φ = 5856880.

The previous prime is 10981723. The next prime is 10981739. The reversal of 10981725 is 52718901.

It is not a de Polignac number, because 10981725 - 2¹ = 10981723 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10981723) 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 11 ways as a sum of consecutive naturals, for example, 73137 + ... + 73286.

It is an arithmetic number, because the mean of its divisors is an integer number (1513048).

Almost surely, 2^10981725 is an apocalyptic number.

10981725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10981725 is a deficient number, since it is larger than the sum of its proper divisors (7174851).

10981725 is a wasteful number, since it uses less digits than its factorization.

10981725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146436 (or 146431 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 10981725 is about 3313.8685852037. The cubic root of 10981725 is about 222.2747794670.

The spelling of 10981725 in words is "ten million, nine hundred eighty-one thousand, seven hundred twenty-five".