4620561 has 16 divisors (see below), whose sum is σ = 6769920. Its totient is φ = 2779920.

The previous prime is 4620559. The next prime is 4620563. The reversal of 4620561 is 1650264.

It is an interprime number because it is at equal distance from previous prime (4620559) and next prime (4620563).

It is not a de Polignac number, because 4620561 - 2¹ = 4620559 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4620563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4950 + ... + 5808.

It is an arithmetic number, because the mean of its divisors is an integer number (423120).

Almost surely, 2^4620561 is an apocalyptic number.

It is an amenable number.

4620561 is a deficient number, since it is larger than the sum of its proper divisors (2149359).

4620561 is a wasteful number, since it uses less digits than its factorization.

4620561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4620561 is about 2149.5490224696. The cubic root of 4620561 is about 166.5577719783.

The spelling of 4620561 in words is "four million, six hundred twenty thousand, five hundred sixty-one".