63580561 has 16 divisors (see below), whose sum is σ = 74176128. Its totient is φ = 53856000.

The previous prime is 63580523. The next prime is 63580607. The reversal of 63580561 is 16508536.

It is not a de Polignac number, because 63580561 - 2¹¹ = 63578513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63580501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17611 + ... + 20911.

It is an arithmetic number, because the mean of its divisors is an integer number (4636008).

Almost surely, 2^63580561 is an apocalyptic number.

It is an amenable number.

63580561 is a deficient number, since it is larger than the sum of its proper divisors (10595567).

63580561 is a wasteful number, since it uses less digits than its factorization.

63580561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 63580561 is about 7973.7419697404. The cubic root of 63580561 is about 399.1242528164.

The spelling of 63580561 in words is "sixty-three million, five hundred eighty thousand, five hundred sixty-one".