461808371 has 2 divisors, whose sum is σ = 461808372. Its totient is φ = 461808370.

The previous prime is 461808343. The next prime is 461808377. The reversal of 461808371 is 173808164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461808371 - 2⁶ = 461808307 is a prime.

It is not a weakly prime, because it can be changed into another prime (461808377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230904185 + 230904186.

It is an arithmetic number, because the mean of its divisors is an integer number (230904186).

Almost surely, 2^461808371 is an apocalyptic number.

461808371 is a deficient number, since it is larger than the sum of its proper divisors (1).

461808371 is an equidigital number, since it uses as much as digits as its factorization.

461808371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 461808371 is about 21489.7271038978. The cubic root of 461808371 is about 772.9545066435.

The spelling of 461808371 in words is "four hundred sixty-one million, eight hundred eight thousand, three hundred seventy-one".