4561601 has 4 divisors (see below), whose sum is σ = 4976304. Its totient is φ = 4146900.

The previous prime is 4561591. The next prime is 4561603. The reversal of 4561601 is 1061654.

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 a de Polignac number, because none of the positive numbers 2^k-4561601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4561603) 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, 207335 + ... + 207356.

It is an arithmetic number, because the mean of its divisors is an integer number (1244076).

Almost surely, 2^4561601 is an apocalyptic number.

It is an amenable number.

4561601 is a deficient number, since it is larger than the sum of its proper divisors (414703).

4561601 is a wasteful number, since it uses less digits than its factorization.

4561601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414702.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4561601 is about 2135.7904859794. The cubic root of 4561601 is about 165.8462916456.

The spelling of 4561601 in words is "four million, five hundred sixty-one thousand, six hundred one".