1001563427 has 2 divisors, whose sum is σ = 1001563428. Its totient is φ = 1001563426.

The previous prime is 1001563411. The next prime is 1001563441. The reversal of 1001563427 is 7243651001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001563427 - 2⁴ = 1001563411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001563427.

It is not a weakly prime, because it can be changed into another prime (1001563447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500781713 + 500781714.

It is an arithmetic number, because the mean of its divisors is an integer number (500781714).

Almost surely, 2^1001563427 is an apocalyptic number.

1001563427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001563427 is an equidigital number, since it uses as much as digits as its factorization.

1001563427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1001563427 is about 31647.4868986465. The cubic root of 1001563427 is about 1000.5208709797.

The spelling of 1001563427 in words is "one billion, one million, five hundred sixty-three thousand, four hundred twenty-seven".