445513563 has 12 divisors (see below), whose sum is σ = 702021528. Its totient is φ = 270008160.

The previous prime is 445513553. The next prime is 445513591. The reversal of 445513563 is 365315544.

445513563 is a `hidden beast` number, since 4 + 45 + 51 + 3 + 563 = 666.

It is not a de Polignac number, because 445513563 - 2⁴ = 445513547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445513513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2249970 + ... + 2250167.

It is an arithmetic number, because the mean of its divisors is an integer number (58501794).

Almost surely, 2^445513563 is an apocalyptic number.

445513563 is a deficient number, since it is larger than the sum of its proper divisors (256507965).

445513563 is a wasteful number, since it uses less digits than its factorization.

445513563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500154 (or 4500151 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 445513563 is about 21107.1922102396. The cubic root of 445513563 is about 763.7542559830.

The spelling of 445513563 in words is "four hundred forty-five million, five hundred thirteen thousand, five hundred sixty-three".