525525280 has 48 divisors (see below), whose sum is σ = 1418921280. Its totient is φ = 180179712.

The previous prime is 525525271. The next prime is 525525281. The reversal of 525525280 is 82525525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (525525281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233490 + ... + 235729.

It is an arithmetic number, because the mean of its divisors is an integer number (29560860).

Almost surely, 2^525525280 is an apocalyptic number.

It is an amenable number.

525525280 is an abundant number, since it is smaller than the sum of its proper divisors (893396000).

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

525525280 is a wasteful number, since it uses less digits than its factorization.

525525280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469241 (or 469233 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 525525280 is about 22924.3381583853. The cubic root of 525525280 is about 806.9832815218.

The spelling of 525525280 in words is "five hundred twenty-five million, five hundred twenty-five thousand, two hundred eighty".