560735821 has 2 divisors, whose sum is σ = 560735822. Its totient is φ = 560735820.

The previous prime is 560735789. The next prime is 560735873. The reversal of 560735821 is 128537065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 556488100 + 4247721 = 23590^2 + 2061^2 .

It is a cyclic number.

It is not a de Polignac number, because 560735821 - 2⁵ = 560735789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (560735881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280367910 + 280367911.

It is an arithmetic number, because the mean of its divisors is an integer number (280367911).

Almost surely, 2^560735821 is an apocalyptic number.

It is an amenable number.

560735821 is a deficient number, since it is larger than the sum of its proper divisors (1).

560735821 is an equidigital number, since it uses as much as digits as its factorization.

560735821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 560735821 is about 23679.8610848966. The cubic root of 560735821 is about 824.6179172267.

The spelling of 560735821 in words is "five hundred sixty million, seven hundred thirty-five thousand, eight hundred twenty-one".