1042451563 has 4 divisors (see below), whose sum is σ = 1087775568. Its totient is φ = 997127560.

The previous prime is 1042451521. The next prime is 1042451569. The reversal of 1042451563 is 3651542401.

It is a happy number.

1042451563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042451563 - 2⁹ = 1042451051 is a prime.

It is a super-2 number, since 2×1042451563² = 2173410522402285938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042451569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22661968 + ... + 22662013.

It is an arithmetic number, because the mean of its divisors is an integer number (271943892).

Almost surely, 2^1042451563 is an apocalyptic number.

1042451563 is a deficient number, since it is larger than the sum of its proper divisors (45324005).

1042451563 is an equidigital number, since it uses as much as digits as its factorization.

1042451563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45324004.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1042451563 is about 32287.0184904088. The cubic root of 1042451563 is about 1013.9548765690.

Adding to 1042451563 its reverse (3651542401), we get a palindrome (4693993964).

The spelling of 1042451563 in words is "one billion, forty-two million, four hundred fifty-one thousand, five hundred sixty-three".