525003948 has 72 divisors (see below), whose sum is σ = 1542428160. Its totient is φ = 147454560.

The previous prime is 525003931. The next prime is 525003949. The reversal of 525003948 is 849300525.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (525003949) 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 23 ways as a sum of consecutive naturals, for example, 2788 + ... + 32523.

Almost surely, 2^525003948 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 525003948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771214080).

525003948 is an abundant number, since it is smaller than the sum of its proper divisors (1017424212).

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

525003948 is a wasteful number, since it uses less digits than its factorization.

525003948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35387 (or 35382 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 525003948 is about 22912.9646270403. The cubic root of 525003948 is about 806.7163451711.

The spelling of 525003948 in words is "five hundred twenty-five million, three thousand, nine hundred forty-eight".