461905231 has 2 divisors, whose sum is σ = 461905232. Its totient is φ = 461905230.

The previous prime is 461905217. The next prime is 461905261. The reversal of 461905231 is 132509164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461905231 - 2⁹ = 461904719 is a prime.

It is a super-2 number, since 2×461905231² = 426712884850326722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461905193 and 461905202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461905211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230952615 + 230952616.

It is an arithmetic number, because the mean of its divisors is an integer number (230952616).

Almost surely, 2^461905231 is an apocalyptic number.

461905231 is a deficient number, since it is larger than the sum of its proper divisors (1).

461905231 is an equidigital number, since it uses as much as digits as its factorization.

461905231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 461905231 is about 21491.9806206873. The cubic root of 461905231 is about 773.0085428661.

The spelling of 461905231 in words is "four hundred sixty-one million, nine hundred five thousand, two hundred thirty-one".