461801231 has 2 divisors, whose sum is σ = 461801232. Its totient is φ = 461801230.

The previous prime is 461801173. The next prime is 461801237. The reversal of 461801231 is 132108164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461801231 - 2⁶ = 461801167 is a prime.

It is a super-2 number, since 2×461801231² = 426520753906230722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461801231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461801237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230900615 + 230900616.

It is an arithmetic number, because the mean of its divisors is an integer number (230900616).

Almost surely, 2^461801231 is an apocalyptic number.

461801231 is a deficient number, since it is larger than the sum of its proper divisors (1).

461801231 is an equidigital number, since it uses as much as digits as its factorization.

461801231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 461801231 is about 21489.5609773676. The cubic root of 461801231 is about 772.9505230838.

Adding to 461801231 its reverse (132108164), we get a palindrome (593909395).

The spelling of 461801231 in words is "four hundred sixty-one million, eight hundred one thousand, two hundred thirty-one".