911949025 has 24 divisors (see below), whose sum is σ = 1221406200. Its totient is φ = 671447040.

The previous prime is 911949007. The next prime is 911949029. The reversal of 911949025 is 520949119.

It can be written as a sum of positive squares in 12 ways, for example, as 458131216 + 453817809 = 21404^2 + 21303^2 .

It is not a de Polignac number, because 911949025 - 2²⁵ = 878394593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (911949029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110751 + ... + 118699.

It is an arithmetic number, because the mean of its divisors is an integer number (50891925).

Almost surely, 2^911949025 is an apocalyptic number.

It is an amenable number.

911949025 is a deficient number, since it is larger than the sum of its proper divisors (309457175).

911949025 is a wasteful number, since it uses less digits than its factorization.

911949025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325 (or 8320 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 911949025 is about 30198.4937538282. The cubic root of 911949025 is about 969.7434489975.

The spelling of 911949025 in words is "nine hundred eleven million, nine hundred forty-nine thousand, twenty-five".