526521344 has 44 divisors (see below), whose sum is σ = 1078285908. Its totient is φ = 256819200.

The previous prime is 526521343. The next prime is 526521349. The reversal of 526521344 is 443125625.

It can be written as a sum of positive squares in 2 ways, for example, as 222367744 + 304153600 = 14912^2 + 17440^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 526521344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526521343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35714 + ... + 48254.

Almost surely, 2^526521344 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 526521344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539142954).

526521344 is an abundant number, since it is smaller than the sum of its proper divisors (551764564).

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

526521344 is a wasteful number, since it uses less digits than its factorization.

526521344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12602 (or 12584 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 526521344 is about 22946.0529067637. The cubic root of 526521344 is about 807.4928032791.

Adding to 526521344 its reverse (443125625), we get a palindrome (969646969).

The spelling of 526521344 in words is "five hundred twenty-six million, five hundred twenty-one thousand, three hundred forty-four".