525514752 has 144 divisors (see below), whose sum is σ = 1735035120. Its totient is φ = 150110208.

The previous prime is 525514747. The next prime is 525514757. The reversal of 525514752 is 257415525.

525514752 is a `hidden beast` number, since 52 + 551 + 4 + 7 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (525514747) and next prime (525514757).

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525514757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126988 + ... + 131060.

It is an arithmetic number, because the mean of its divisors is an integer number (12048855).

Almost surely, 2^525514752 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 525514752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867517560).

525514752 is an abundant number, since it is smaller than the sum of its proper divisors (1209520368).

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

525514752 is a wasteful number, since it uses less digits than its factorization.

525514752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108 (or 4085 counting only the distinct ones).

The product of its digits is 70000, while the sum is 36.

The square root of 525514752 is about 22924.1085322854. The cubic root of 525514752 is about 806.9778926426.

The spelling of 525514752 in words is "five hundred twenty-five million, five hundred fourteen thousand, seven hundred fifty-two".