525552250 has 32 divisors (see below), whose sum is σ = 985271040. Its totient is φ = 209914000.

The previous prime is 525552241. The next prime is 525552257. The reversal of 525552250 is 52255525.

It is not an unprimeable number, because it can be changed into a prime (525552257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256731 + ... + 258769.

It is an arithmetic number, because the mean of its divisors is an integer number (30789720).

Almost surely, 2^525552250 is an apocalyptic number.

525552250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525552250 is a deficient number, since it is larger than the sum of its proper divisors (459718790).

525552250 is a wasteful number, since it uses less digits than its factorization.

525552250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087 (or 3077 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 525552250 is about 22924.9263902853. The cubic root of 525552250 is about 806.9970861014.

The spelling of 525552250 in words is "five hundred twenty-five million, five hundred fifty-two thousand, two hundred fifty".