525552225 has 48 divisors (see below), whose sum is σ = 951677184. Its totient is φ = 253800000.

The previous prime is 525552211. The next prime is 525552233. The reversal of 525552225 is 522255525.

It is not a de Polignac number, because 525552225 - 2⁵ = 525552193 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232350 + ... + 234600.

It is an arithmetic number, because the mean of its divisors is an integer number (19826608).

Almost surely, 2^525552225 is an apocalyptic number.

525552225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525552225 is a deficient number, since it is larger than the sum of its proper divisors (426124959).

525552225 is a wasteful number, since it uses less digits than its factorization.

525552225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2553 counting only the distinct ones).

The product of its digits is 50000, while the sum is 33.

The square root of 525552225 is about 22924.9258450273. The cubic root of 525552225 is about 806.9970733054.

The spelling of 525552225 in words is "five hundred twenty-five million, five hundred fifty-two thousand, two hundred twenty-five".