525922489 has 27 divisors (see below), whose sum is σ = 598052271. Its totient is φ = 462329280.

The previous prime is 525922417. The next prime is 525922499. The reversal of 525922489 is 984229525.

The square root of 525922489 is 22933.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 409455225 + 116467264 = 20235^2 + 10792^2 .

It is a de Polignac number, because none of the positive numbers 2^k-525922489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525922499) 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 26 ways as a sum of consecutive naturals, for example, 7407324 + ... + 7407394.

Almost surely, 2^525922489 is an apocalyptic number.

525922489 is the 22933-rd square number.

525922489 is the 11467-th centered octagonal number.

It is an amenable number.

525922489 is a deficient number, since it is larger than the sum of its proper divisors (72129782).

525922489 is an equidigital number, since it uses as much as digits as its factorization.

525922489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 107 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The cubic root of 525922489 is about 807.1865450056.

Multiplying 525922489 by its product of digits (518400), we get a square (272638218297600 = 16511760²).

The spelling of 525922489 in words is "five hundred twenty-five million, nine hundred twenty-two thousand, four hundred eighty-nine".