525052400 has 60 divisors (see below), whose sum is σ = 1267620504. Its totient is φ = 208992000.

The previous prime is 525052393. The next prime is 525052421. The reversal of 525052400 is 4250525.

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, 81290 + ... + 87510.

Almost surely, 2^525052400 is an apocalyptic number.

525052400 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 525052400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633810252).

525052400 is an abundant number, since it is smaller than the sum of its proper divisors (742568104).

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

525052400 is a wasteful number, since it uses less digits than its factorization.

525052400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450 (or 6439 counting only the distinct ones).

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

The square root of 525052400 is about 22914.0219079934. The cubic root of 525052400 is about 806.7411613769.

The spelling of 525052400 in words is "five hundred twenty-five million, fifty-two thousand, four hundred".