525761280 has 360 divisors, whose sum is σ = 2056746384. Its totient is φ = 127180800.

The previous prime is 525761279. The next prime is 525761297. The reversal of 525761280 is 82167525.

It is a happy number.

525761280 is a `hidden beast` number, since 5 + 2 + 576 + 1 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1140250 + ... + 1140710.

Almost surely, 2^525761280 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 525761280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028373192).

525761280 is an abundant number, since it is smaller than the sum of its proper divisors (1530985104).

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

525761280 is a wasteful number, since it uses less digits than its factorization.

525761280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 525761280 is about 22929.4849484239. The cubic root of 525761280 is about 807.1040619804.

The spelling of 525761280 in words is "five hundred twenty-five million, seven hundred sixty-one thousand, two hundred eighty".