532878100225 has 27 divisors (see below), whose sum is σ = 669206278083. Its totient is φ = 420926870640.

The previous prime is 532878100211. The next prime is 532878100241. The reversal of 532878100225 is 522001878235.

The square root of 532878100225 is 729985.

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., 191836116081 + 341041984144 = 437991^2 + 583988^2 .

It is not a de Polignac number, because 532878100225 - 2¹⁷ = 532877969153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 302942896 + ... + 302944654.

Almost surely, 2^532878100225 is an apocalyptic number.

532878100225 is the 729985-th square number.

532878100225 is the 364993-rd centered octagonal number.

It is an amenable number.

532878100225 is a deficient number, since it is larger than the sum of its proper divisors (136328177858).

532878100225 is an frugal number, since it uses more digits than its factorization.

532878100225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 532878100225 in words is "five hundred thirty-two billion, eight hundred seventy-eight million, one hundred thousand, two hundred twenty-five".