4179561 has 4 divisors (see below), whose sum is σ = 5572752. Its totient is φ = 2786372.

The previous prime is 4179551. The next prime is 4179577. The reversal of 4179561 is 1659714.

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 4179561 - 2¹⁴ = 4163177 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4179521) 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, 696591 + ... + 696596.

It is an arithmetic number, because the mean of its divisors is an integer number (1393188).

Almost surely, 2^4179561 is an apocalyptic number.

It is an amenable number.

4179561 is a deficient number, since it is larger than the sum of its proper divisors (1393191).

4179561 is a wasteful number, since it uses less digits than its factorization.

4179561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393190.

The product of its digits is 7560, while the sum is 33.

The square root of 4179561 is about 2044.3974662477. The cubic root of 4179561 is about 161.0807177264.

The spelling of 4179561 in words is "four million, one hundred seventy-nine thousand, five hundred sixty-one".