525411225 has 96 divisors (see below), whose sum is σ = 999936000. Its totient is φ = 270354240.

The previous prime is 525411209. The next prime is 525411247. The reversal of 525411225 is 522114525.

525411225 is a `hidden beast` number, since 5 + 25 + 411 + 225 = 666.

It is not a de Polignac number, because 525411225 - 2⁴ = 525411209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3146092 + ... + 3146258.

It is an arithmetic number, because the mean of its divisors is an integer number (10416000).

Almost surely, 2^525411225 is an apocalyptic number.

It is an amenable number.

525411225 is a deficient number, since it is larger than the sum of its proper divisors (474524775).

525411225 is a wasteful number, since it uses less digits than its factorization.

525411225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 313 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 525411225 is about 22921.8503834224. The cubic root of 525411225 is about 806.9248973101.

The spelling of 525411225 in words is "five hundred twenty-five million, four hundred eleven thousand, two hundred twenty-five".