1045278563 has 8 divisors (see below), whose sum is σ = 1194879840. Its totient is φ = 895746240.

The previous prime is 1045278557. The next prime is 1045278569. The reversal of 1045278563 is 3658725401.

It is an interprime number because it is at equal distance from previous prime (1045278557) and next prime (1045278569).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1045278563 - 2⁸ = 1045278307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1045278563.

It is not an unprimeable number, because it can be changed into a prime (1045278569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20873 + ... + 50261.

It is an arithmetic number, because the mean of its divisors is an integer number (149359980).

Almost surely, 2^1045278563 is an apocalyptic number.

1045278563 is a deficient number, since it is larger than the sum of its proper divisors (149601277).

1045278563 is an equidigital number, since it uses as much as digits as its factorization.

1045278563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34477.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 1045278563 is about 32330.7680545947. The cubic root of 1045278563 is about 1014.8706227712.

The spelling of 1045278563 in words is "one billion, forty-five million, two hundred seventy-eight thousand, five hundred sixty-three".