1071563 has 2 divisors, whose sum is σ = 1071564. Its totient is φ = 1071562.

The previous prime is 1071541. The next prime is 1071569. The reversal of 1071563 is 3651701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1071563 - 2¹² = 1067467 is a prime.

It is a super-2 number, since 2×1071563² = 2296494525938, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1071569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535781 + 535782.

It is an arithmetic number, because the mean of its divisors is an integer number (535782).

2^1071563 is an apocalyptic number.

1071563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071563 is an equidigital number, since it uses as much as digits as its factorization.

1071563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1071563 is about 1035.1632721460. The cubic root of 1071563 is about 102.3306901483.

The spelling of 1071563 in words is "one million, seventy-one thousand, five hundred sixty-three".