2485858561 has 32 divisors (see below), whose sum is σ = 2699889408. Its totient is φ = 2283494400.

The previous prime is 2485858537. The next prime is 2485858601. The reversal of 2485858561 is 1658585842.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2485858561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2485858499 and 2485858508.

It is not an unprimeable number, because it can be changed into a prime (2485858261) 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 31 ways as a sum of consecutive naturals, for example, 18144885 + ... + 18145021.

It is an arithmetic number, because the mean of its divisors is an integer number (84371544).

Almost surely, 2^2485858561 is an apocalyptic number.

It is an amenable number.

2485858561 is a deficient number, since it is larger than the sum of its proper divisors (214030847).

2485858561 is a wasteful number, since it uses less digits than its factorization.

2485858561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 3072000, while the sum is 52.

The square root of 2485858561 is about 49858.3850620936. The cubic root of 2485858561 is about 1354.6449165112.

The spelling of 2485858561 in words is "two billion, four hundred eighty-five million, eight hundred fifty-eight thousand, five hundred sixty-one".