526340663 has 8 divisors (see below), whose sum is σ = 528976128. Its totient is φ = 523711224.

The previous prime is 526340653. The next prime is 526340681. The reversal of 526340663 is 366043625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 526340663 - 2¹⁸ = 526078519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526340623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369170 + ... + 370592.

It is an arithmetic number, because the mean of its divisors is an integer number (66122016).

Almost surely, 2^526340663 is an apocalyptic number.

526340663 is a deficient number, since it is larger than the sum of its proper divisors (2635465).

526340663 is a wasteful number, since it uses less digits than its factorization.

526340663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 526340663 is about 22942.1154865893. The cubic root of 526340663 is about 807.4004263344.

The spelling of 526340663 in words is "five hundred twenty-six million, three hundred forty thousand, six hundred sixty-three".