6560531 has 2 divisors, whose sum is σ = 6560532. Its totient is φ = 6560530.

The previous prime is 6560513. The next prime is 6560537. The reversal of 6560531 is 1350656.

Together with previous prime (6560513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6560531 - 2¹⁸ = 6298387 is a prime.

It is a super-2 number, since 2×6560531² = 86081134003922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6560531.

It is not a weakly prime, because it can be changed into another prime (6560537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280265 + 3280266.

It is an arithmetic number, because the mean of its divisors is an integer number (3280266).

Almost surely, 2^6560531 is an apocalyptic number.

6560531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6560531 is an equidigital number, since it uses as much as digits as its factorization.

6560531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 6560531 is about 2561.3533532100. The cubic root of 6560531 is about 187.2030832491.

The spelling of 6560531 in words is "six million, five hundred sixty thousand, five hundred thirty-one".