1045677617 has 2 divisors, whose sum is σ = 1045677618. Its totient is φ = 1045677616.

The previous prime is 1045677601. The next prime is 1045677697. The reversal of 1045677617 is 7167765401.

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., 815730721 + 229946896 = 28561^2 + 15164^2 .

It is an emirp because it is prime and its reverse (7167765401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1045677617 - 2⁴ = 1045677601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045677697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522838808 + 522838809.

It is an arithmetic number, because the mean of its divisors is an integer number (522838809).

Almost surely, 2^1045677617 is an apocalyptic number.

It is an amenable number.

1045677617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045677617 is an equidigital number, since it uses as much as digits as its factorization.

1045677617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 1045677617 is about 32336.9388934698. The cubic root of 1045677617 is about 1014.9997547461. Note that the first 3 decimals are identical.

The spelling of 1045677617 in words is "one billion, forty-five million, six hundred seventy-seven thousand, six hundred seventeen".