4500961 has 4 divisors (see below), whose sum is σ = 4562692. Its totient is φ = 4439232.

The previous prime is 4500943. The next prime is 4500989. The reversal of 4500961 is 1690054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1690054 = 2 ⋅845027.

It can be written as a sum of positive squares in 2 ways, for example, as 2383936 + 2117025 = 1544^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 4500961 - 2²¹ = 2403809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4500901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30756 + ... + 30901.

It is an arithmetic number, because the mean of its divisors is an integer number (1140673).

Almost surely, 2^4500961 is an apocalyptic number.

It is an amenable number.

4500961 is a deficient number, since it is larger than the sum of its proper divisors (61731).

4500961 is an equidigital number, since it uses as much as digits as its factorization.

4500961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61730.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 4500961 is about 2121.5468413401. The cubic root of 4500961 is about 165.1081140234.

The spelling of 4500961 in words is "four million, five hundred thousand, nine hundred sixty-one".