461399959 has 2 divisors, whose sum is σ = 461399960. Its totient is φ = 461399958.

The previous prime is 461399923. The next prime is 461400011. The reversal of 461399959 is 959993164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461399959 - 2⁹ = 461399447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461399359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230699979 + 230699980.

It is an arithmetic number, because the mean of its divisors is an integer number (230699980).

Almost surely, 2^461399959 is an apocalyptic number.

461399959 is a deficient number, since it is larger than the sum of its proper divisors (1).

461399959 is an equidigital number, since it uses as much as digits as its factorization.

461399959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2361960, while the sum is 55.

The square root of 461399959 is about 21480.2225081585. Note that the first 3 decimals coincide. The cubic root of 461399959 is about 772.7265787680.

The spelling of 461399959 in words is "four hundred sixty-one million, three hundred ninety-nine thousand, nine hundred fifty-nine".