461951 has 4 divisors (see below), whose sum is σ = 527952. Its totient is φ = 395952.

The previous prime is 461933. The next prime is 461957. The reversal of 461951 is 159164.

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 461951 - 2⁶ = 461887 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 461951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461957) 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, 32990 + ... + 33003.

It is an arithmetic number, because the mean of its divisors is an integer number (131988).

2⁴⁶¹⁹⁵¹ is an apocalyptic number.

461951 is a deficient number, since it is larger than the sum of its proper divisors (66001).

461951 is an equidigital number, since it uses as much as digits as its factorization.

461951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66000.

The product of its digits is 1080, while the sum is 26.

The square root of 461951 is about 679.6697727573. The cubic root of 461951 is about 77.3034073832.

The spelling of 461951 in words is "four hundred sixty-one thousand, nine hundred fifty-one".