1564981007 has 2 divisors, whose sum is σ = 1564981008. Its totient is φ = 1564981006.

The previous prime is 1564980953. The next prime is 1564981013. The reversal of 1564981007 is 7001894651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1564981007 - 2¹⁴ = 1564964623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1564981057) 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 as a sum of consecutive naturals, namely, 782490503 + 782490504.

It is an arithmetic number, because the mean of its divisors is an integer number (782490504).

Almost surely, 2^1564981007 is an apocalyptic number.

1564981007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1564981007 is an equidigital number, since it uses as much as digits as its factorization.

1564981007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1564981007 is about 39559.8408363836. The cubic root of 1564981007 is about 1161.0110603846.

The spelling of 1564981007 in words is "one billion, five hundred sixty-four million, nine hundred eighty-one thousand, seven".