525133650 has 24 divisors (see below), whose sum is σ = 1302331824. Its totient is φ = 140035600.

The previous prime is 525133649. The next prime is 525133657. The reversal of 525133650 is 56331525.

525133650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (525133657) 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 11 ways as a sum of consecutive naturals, for example, 1750296 + ... + 1750595.

It is an arithmetic number, because the mean of its divisors is an integer number (54263826).

Almost surely, 2^525133650 is an apocalyptic number.

525133650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525133650 is an abundant number, since it is smaller than the sum of its proper divisors (777198174).

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

525133650 is a wasteful number, since it uses less digits than its factorization.

525133650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500906 (or 3500901 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 525133650 is about 22915.7947712926. The cubic root of 525133650 is about 806.7827726767.

The spelling of 525133650 in words is "five hundred twenty-five million, one hundred thirty-three thousand, six hundred fifty".