1043563441 has 2 divisors, whose sum is σ = 1043563442. Its totient is φ = 1043563440.

The previous prime is 1043563421. The next prime is 1043563471. The reversal of 1043563441 is 1443653401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697752225 + 345811216 = 26415^2 + 18596^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043563441 - 2²⁷ = 909345713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043563421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521781720 + 521781721.

It is an arithmetic number, because the mean of its divisors is an integer number (521781721).

Almost surely, 2^1043563441 is an apocalyptic number.

It is an amenable number.

1043563441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043563441 is an equidigital number, since it uses as much as digits as its factorization.

1043563441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1043563441 is about 32304.2325555027. The cubic root of 1043563441 is about 1014.3152429629.

The spelling of 1043563441 in words is "one billion, forty-three million, five hundred sixty-three thousand, four hundred forty-one".