4995561 has 8 divisors (see below), whose sum is σ = 6727104. Its totient is φ = 3297200.

The previous prime is 4995553. The next prime is 4995581. The reversal of 4995561 is 1655994.

4995561 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 4995561 - 2³ = 4995553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4995541) 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, 7941 + ... + 8546.

It is an arithmetic number, because the mean of its divisors is an integer number (840888).

Almost surely, 2^4995561 is an apocalyptic number.

It is an amenable number.

4995561 is a deficient number, since it is larger than the sum of its proper divisors (1731543).

4995561 is a wasteful number, since it uses less digits than its factorization.

4995561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16591.

The product of its digits is 48600, while the sum is 39.

The square root of 4995561 is about 2235.0751665213. The cubic root of 4995561 is about 170.9469757967.

The spelling of 4995561 in words is "four million, nine hundred ninety-five thousand, five hundred sixty-one".