525773916 has 60 divisors (see below), whose sum is σ = 1383828600. Its totient is φ = 174065760.

The previous prime is 525773887. The next prime is 525773921. The reversal of 525773916 is 619377525.

525773916 is a `hidden beast` number, since 5 + 257 + 7 + 391 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 42831 + ... + 53721.

It is an arithmetic number, because the mean of its divisors is an integer number (23063810).

Almost surely, 2^525773916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525773916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691914300).

525773916 is an abundant number, since it is smaller than the sum of its proper divisors (858054684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525773916 is a wasteful number, since it uses less digits than its factorization.

525773916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056 (or 11045 counting only the distinct ones).

The product of its digits is 396900, while the sum is 45.

The square root of 525773916 is about 22929.7604871922. The cubic root of 525773916 is about 807.1105278333.

The spelling of 525773916 in words is "five hundred twenty-five million, seven hundred seventy-three thousand, nine hundred sixteen".