1045653601 has 4 divisors (see below), whose sum is σ = 1046780100. Its totient is φ = 1044527104.

The previous prime is 1045653593. The next prime is 1045653649. The reversal of 1045653601 is 1063565401.

1045653601 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, and also an emirpimes, since its reverse is a distinct semiprime: 1063565401 = 29 ⋅36674669.

It can be written as a sum of positive squares in 2 ways, for example, as 485100625 + 560552976 = 22025^2 + 23676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045653601 - 2³ = 1045653593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045650601) 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, 561856 + ... + 563713.

It is an arithmetic number, because the mean of its divisors is an integer number (261695025).

Almost surely, 2^1045653601 is an apocalyptic number.

It is an amenable number.

1045653601 is a deficient number, since it is larger than the sum of its proper divisors (1126499).

1045653601 is an equidigital number, since it uses as much as digits as its factorization.

1045653601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126498.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1045653601 is about 32336.5675513033. The cubic root of 1045653601 is about 1014.9919842120.

The spelling of 1045653601 in words is "one billion, forty-five million, six hundred fifty-three thousand, six hundred one".