461851 has 4 divisors (see below), whose sum is σ = 497392. Its totient is φ = 426312.

The previous prime is 461843. The next prime is 461861. The reversal of 461851 is 158164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461851 - 2³ = 461843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17751 + ... + 17776.

It is an arithmetic number, because the mean of its divisors is an integer number (124348).

2⁴⁶¹⁸⁵¹ is an apocalyptic number.

461851 is a deficient number, since it is larger than the sum of its proper divisors (35541).

461851 is a wasteful number, since it uses less digits than its factorization.

461851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35540.

The product of its digits is 960, while the sum is 25.

The square root of 461851 is about 679.5962036386. The cubic root of 461851 is about 77.2978289426.

The spelling of 461851 in words is "four hundred sixty-one thousand, eight hundred fifty-one".