461224513 has 4 divisors (see below), whose sum is σ = 461409988. Its totient is φ = 461039040.

The previous prime is 461224483. The next prime is 461224523. The reversal of 461224513 is 315422164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17363889 + 443860624 = 4167^2 + 21068^2 .

It is a cyclic number.

It is not a de Polignac number, because 461224513 - 2⁵ = 461224481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461224523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88956 + ... + 93997.

It is an arithmetic number, because the mean of its divisors is an integer number (115352497).

Almost surely, 2^461224513 is an apocalyptic number.

It is an amenable number.

461224513 is a deficient number, since it is larger than the sum of its proper divisors (185475).

461224513 is a wasteful number, since it uses less digits than its factorization.

461224513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185474.

The product of its digits is 5760, while the sum is 28.

The square root of 461224513 is about 21476.1382236193. The cubic root of 461224513 is about 772.6286240023.

Adding to 461224513 its reverse (315422164), we get a palindrome (776646677).

The spelling of 461224513 in words is "four hundred sixty-one million, two hundred twenty-four thousand, five hundred thirteen".