525250400 has 72 divisors (see below), whose sum is σ = 1286480160. Its totient is φ = 209410560.

The previous prime is 525250373. The next prime is 525250417. The reversal of 525250400 is 4052525.

It is a congruent number.

It is an unprimeable number.

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, 292706 + ... + 294494.

It is an arithmetic number, because the mean of its divisors is an integer number (17867780).

Almost surely, 2^525250400 is an apocalyptic number.

525250400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525250400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643240080).

525250400 is an abundant number, since it is smaller than the sum of its proper divisors (761229760).

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

525250400 is a wasteful number, since it uses less digits than its factorization.

525250400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 525250400 is about 22918.3419993681. The cubic root of 525250400 is about 806.8425573996.

The spelling of 525250400 in words is "five hundred twenty-five million, two hundred fifty thousand, four hundred".