526640516 has 6 divisors (see below), whose sum is σ = 921620910. Its totient is φ = 263320256.

The previous prime is 526640507. The next prime is 526640519. The reversal of 526640516 is 615046625.

It can be written as a sum of positive squares in only one way, i.e., 508322116 + 18318400 = 22546^2 + 4280^2 .

It is not an unprimeable number, because it can be changed into a prime (526640519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65830061 + ... + 65830068.

It is an arithmetic number, because the mean of its divisors is an integer number (153603485).

Almost surely, 2^526640516 is an apocalyptic number.

It is an amenable number.

526640516 is a deficient number, since it is larger than the sum of its proper divisors (394980394).

526640516 is a wasteful number, since it uses less digits than its factorization.

526640516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131660133 (or 131660131 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 526640516 is about 22948.6495463241. The cubic root of 526640516 is about 807.5537208938.

The spelling of 526640516 in words is "five hundred twenty-six million, six hundred forty thousand, five hundred sixteen".