461391117 has 16 divisors (see below), whose sum is σ = 706437120. Its totient is φ = 264913200.

The previous prime is 461391097. The next prime is 461391137. The reversal of 461391117 is 711193164.

It is an interprime number because it is at equal distance from previous prime (461391097) and next prime (461391137).

It is not a de Polignac number, because 461391117 - 2¹⁵ = 461358349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461391137) 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 15 ways as a sum of consecutive naturals, for example, 367309 + ... + 368562.

It is an arithmetic number, because the mean of its divisors is an integer number (44152320).

Almost surely, 2^461391117 is an apocalyptic number.

It is an amenable number.

461391117 is a deficient number, since it is larger than the sum of its proper divisors (245046003).

461391117 is a wasteful number, since it uses less digits than its factorization.

461391117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735904.

The product of its digits is 4536, while the sum is 33.

The square root of 461391117 is about 21480.0166899377. The cubic root of 461391117 is about 772.7216427091.

The spelling of 461391117 in words is "four hundred sixty-one million, three hundred ninety-one thousand, one hundred seventeen".