527378489 has 16 divisors (see below), whose sum is σ = 591390720. Its totient is φ = 466224000.

The previous prime is 527378473. The next prime is 527378609. The reversal of 527378489 is 984873725.

It is not a de Polignac number, because 527378489 - 2⁴ = 527378473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 527378489.

It is not an unprimeable number, because it can be changed into a prime (527378419) 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 15 ways as a sum of consecutive naturals, for example, 55304 + ... + 64134.

It is an arithmetic number, because the mean of its divisors is an integer number (36961920).

Almost surely, 2^527378489 is an apocalyptic number.

It is an amenable number.

527378489 is a deficient number, since it is larger than the sum of its proper divisors (64012231).

527378489 is a wasteful number, since it uses less digits than its factorization.

527378489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8992.

The product of its digits is 3386880, while the sum is 53.

The square root of 527378489 is about 22964.7227067953. The cubic root of 527378489 is about 807.9307489133.

The spelling of 527378489 in words is "five hundred twenty-seven million, three hundred seventy-eight thousand, four hundred eighty-nine".