525354880 has 64 divisors (see below), whose sum is σ = 1277305200. Its totient is φ = 206565376.

The previous prime is 525354871. The next prime is 525354889. The reversal of 525354880 is 88453525.

It is an interprime number because it is at equal distance from previous prime (525354871) and next prime (525354889).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525354889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30804 + ... + 44716.

Almost surely, 2^525354880 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 525354880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638652600).

525354880 is an abundant number, since it is smaller than the sum of its proper divisors (751950320).

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

525354880 is a wasteful number, since it uses less digits than its factorization.

525354880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13991 (or 13979 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 525354880 is about 22920.6212830281. The cubic root of 525354880 is about 806.8960514547.

The spelling of 525354880 in words is "five hundred twenty-five million, three hundred fifty-four thousand, eight hundred eighty".