461991975 has 12 divisors (see below), whose sum is σ = 763826856. Its totient is φ = 246395680.

The previous prime is 461991967. The next prime is 461992021. The reversal of 461991975 is 579199164.

It is not a de Polignac number, because 461991975 - 2³ = 461991967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3079872 + ... + 3080021.

It is an arithmetic number, because the mean of its divisors is an integer number (63652238).

Almost surely, 2^461991975 is an apocalyptic number.

461991975 is a deficient number, since it is larger than the sum of its proper divisors (301834881).

461991975 is a wasteful number, since it uses less digits than its factorization.

461991975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159906 (or 6159901 counting only the distinct ones).

The product of its digits is 612360, while the sum is 51.

The square root of 461991975 is about 21493.9985809993. The cubic root of 461991975 is about 773.0569291667.

The spelling of 461991975 in words is "four hundred sixty-one million, nine hundred ninety-one thousand, nine hundred seventy-five".