4512558461 has 4 divisors (see below), whose sum is σ = 4519166112. Its totient is φ = 4505950812.

The previous prime is 4512558433. The next prime is 4512558481. The reversal of 4512558461 is 1648552154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4512558461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4512558481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3302801 + ... + 3304166.

It is an arithmetic number, because the mean of its divisors is an integer number (1129791528).

Almost surely, 2^4512558461 is an apocalyptic number.

It is an amenable number.

4512558461 is a deficient number, since it is larger than the sum of its proper divisors (6607651).

4512558461 is an equidigital number, since it uses as much as digits as its factorization.

4512558461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607650.

The product of its digits is 192000, while the sum is 41.

The square root of 4512558461 is about 67175.5793499394. The cubic root of 4512558461 is about 1652.4980173814.

The spelling of 4512558461 in words is "four billion, five hundred twelve million, five hundred fifty-eight thousand, four hundred sixty-one".