4892561 has 8 divisors (see below), whose sum is σ = 5109480. Its totient is φ = 4678912.

The previous prime is 4892543. The next prime is 4892579. The reversal of 4892561 is 1652984.

It is an interprime number because it is at equal distance from previous prime (4892543) and next prime (4892579).

It can be written as a sum of positive squares in 4 ways, for example, as 398161 + 4494400 = 631^2 + 2120^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4892561 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4892501) 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 7 ways as a sum of consecutive naturals, for example, 2531 + ... + 4023.

It is an arithmetic number, because the mean of its divisors is an integer number (638685).

Almost surely, 2^4892561 is an apocalyptic number.

It is an amenable number.

4892561 is a deficient number, since it is larger than the sum of its proper divisors (216919).

4892561 is a wasteful number, since it uses less digits than its factorization.

4892561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635.

The product of its digits is 17280, while the sum is 35.

The square root of 4892561 is about 2211.9134250689. The cubic root of 4892561 is about 169.7639283847.

The spelling of 4892561 in words is "four million, eight hundred ninety-two thousand, five hundred sixty-one".