560056421 has 2 divisors, whose sum is σ = 560056422. Its totient is φ = 560056420.

The previous prime is 560056397. The next prime is 560056429. The reversal of 560056421 is 124650065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556488100 + 3568321 = 23590^2 + 1889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-560056421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (560056429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280028210 + 280028211.

It is an arithmetic number, because the mean of its divisors is an integer number (280028211).

Almost surely, 2^560056421 is an apocalyptic number.

It is an amenable number.

560056421 is a deficient number, since it is larger than the sum of its proper divisors (1).

560056421 is an equidigital number, since it uses as much as digits as its factorization.

560056421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 560056421 is about 23665.5112135783. The cubic root of 560056421 is about 824.2847408223.

It can be divided in two parts, 56005 and 6421, that added together give a palindrome (62426).

The spelling of 560056421 in words is "five hundred sixty million, fifty-six thousand, four hundred twenty-one".