526217472 has 216 divisors, whose sum is σ = 1718676960. Its totient is φ = 159252480.

The previous prime is 526217429. The next prime is 526217561. The reversal of 526217472 is 274712625.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (216).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683904 + ... + 684672.

Almost surely, 2^526217472 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 526217472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859338480).

526217472 is an abundant number, since it is smaller than the sum of its proper divisors (1192459488).

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

526217472 is an equidigital number, since it uses as much as digits as its factorization.

526217472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 785 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 526217472 is about 22939.4305073164. The cubic root of 526217472 is about 807.3374302346.

The spelling of 526217472 in words is "five hundred twenty-six million, two hundred seventeen thousand, four hundred seventy-two".