461421617 has 4 divisors (see below), whose sum is σ = 464789796. Its totient is φ = 458053440.

The previous prime is 461421559. The next prime is 461421619. The reversal of 461421617 is 716124164.

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 104060401 + 357361216 = 10201^2 + 18904^2 .

It is a cyclic number.

It is not a de Polignac number, because 461421617 - 2²⁰ = 460373041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461421619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683884 + ... + 1684157.

It is an arithmetic number, because the mean of its divisors is an integer number (116197449).

Almost surely, 2^461421617 is an apocalyptic number.

It is an amenable number.

461421617 is a deficient number, since it is larger than the sum of its proper divisors (3368179).

461421617 is a wasteful number, since it uses less digits than its factorization.

461421617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368178.

The product of its digits is 8064, while the sum is 32.

The square root of 461421617 is about 21480.7266404095. The cubic root of 461421617 is about 772.7386691103.

The spelling of 461421617 in words is "four hundred sixty-one million, four hundred twenty-one thousand, six hundred seventeen".