525250020 has 96 divisors (see below), whose sum is σ = 1562198400. Its totient is φ = 131405824.

The previous prime is 525250013. The next prime is 525250043. The reversal of 525250020 is 20052525.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426766 + ... + 427994.

It is an arithmetic number, because the mean of its divisors is an integer number (16272900).

Almost surely, 2^525250020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525250020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781099200).

525250020 is an abundant number, since it is smaller than the sum of its proper divisors (1036948380).

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

525250020 is a wasteful number, since it uses less digits than its factorization.

525250020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 525250020 is about 22918.3337090636. Note that the first 3 decimals coincide. The cubic root of 525250020 is about 806.8423628255.

The spelling of 525250020 in words is "five hundred twenty-five million, two hundred fifty thousand, twenty".