1045626563 has 8 divisors (see below), whose sum is σ = 1101082320. Its totient is φ = 990213120.

The previous prime is 1045626509. The next prime is 1045626583. The reversal of 1045626563 is 3656265401.

It is a happy number.

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

It is not a de Polignac number, because 1045626563 - 2²⁶ = 978517699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045626583) 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, 48731 + ... + 66827.

It is an arithmetic number, because the mean of its divisors is an integer number (137635290).

Almost surely, 2^1045626563 is an apocalyptic number.

1045626563 is a deficient number, since it is larger than the sum of its proper divisors (55455757).

1045626563 is a wasteful number, since it uses less digits than its factorization.

1045626563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21157.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 1045626563 is about 32336.1494770172. The cubic root of 1045626563 is about 1014.9832357476.

The spelling of 1045626563 in words is "one billion, forty-five million, six hundred twenty-six thousand, five hundred sixty-three".