1563145607 has 2 divisors, whose sum is σ = 1563145608. Its totient is φ = 1563145606.

The previous prime is 1563145583. The next prime is 1563145609. The reversal of 1563145607 is 7065413651.

It is a strong prime.

It is an emirp because it is prime and its reverse (7065413651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1563145607 - 2⁶ = 1563145543 is a prime.

Together with 1563145609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1563145609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781572803 + 781572804.

It is an arithmetic number, because the mean of its divisors is an integer number (781572804).

Almost surely, 2^1563145607 is an apocalyptic number.

1563145607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1563145607 is an equidigital number, since it uses as much as digits as its factorization.

1563145607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1563145607 is about 39536.6362630915. The cubic root of 1563145607 is about 1160.5570073158.

The spelling of 1563145607 in words is "one billion, five hundred sixty-three million, one hundred forty-five thousand, six hundred seven".