1026564047 has 2 divisors, whose sum is σ = 1026564048. Its totient is φ = 1026564046.

The previous prime is 1026563957. The next prime is 1026564061. The reversal of 1026564047 is 7404656201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1026564047 - 2²⁴ = 1009786831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1026563998 and 1026564016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026564247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513282023 + 513282024.

It is an arithmetic number, because the mean of its divisors is an integer number (513282024).

Almost surely, 2^1026564047 is an apocalyptic number.

1026564047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026564047 is an equidigital number, since it uses as much as digits as its factorization.

1026564047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1026564047 is about 32040.0381866189. The cubic root of 1026564047 is about 1008.7774139254. Note that the first 3 decimals are identical.

The spelling of 1026564047 in words is "one billion, twenty-six million, five hundred sixty-four thousand, forty-seven".