4063561 has 8 divisors (see below), whose sum is σ = 4333824. Its totient is φ = 3796800.

The previous prime is 4063559. The next prime is 4063583. The reversal of 4063561 is 1653604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4063561 - 2¹ = 4063559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4063061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1776 + ... + 3358.

It is an arithmetic number, because the mean of its divisors is an integer number (541728).

Almost surely, 2^4063561 is an apocalyptic number.

It is an amenable number.

4063561 is a deficient number, since it is larger than the sum of its proper divisors (270263).

4063561 is a wasteful number, since it uses less digits than its factorization.

4063561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4063561 is about 2015.8276215986. The cubic root of 4063561 is about 159.5764972102.

It can be divided in two parts, 4063 and 561, that added together give a square (4624 = 68²).

The spelling of 4063561 in words is "four million, sixty-three thousand, five hundred sixty-one".