445361617 has 4 divisors (see below), whose sum is σ = 448761456. Its totient is φ = 441961780.

The previous prime is 445361611. The next prime is 445361647. The reversal of 445361617 is 716163544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445361617 - 2¹¹ = 445359569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445361611) 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, 1699723 + ... + 1699984.

It is an arithmetic number, because the mean of its divisors is an integer number (112190364).

Almost surely, 2^445361617 is an apocalyptic number.

It is an amenable number.

445361617 is a deficient number, since it is larger than the sum of its proper divisors (3399839).

445361617 is a wasteful number, since it uses less digits than its factorization.

445361617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399838.

The product of its digits is 60480, while the sum is 37.

The square root of 445361617 is about 21103.5925140721. The cubic root of 445361617 is about 763.6674179235.

The spelling of 445361617 in words is "four hundred forty-five million, three hundred sixty-one thousand, six hundred seventeen".