461215 has 4 divisors (see below), whose sum is σ = 553464. Its totient is φ = 368968.

The previous prime is 461207. The next prime is 461233. The reversal of 461215 is 512164.

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 461215 - 2³ = 461207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461192 and 461201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46117 + ... + 46126.

It is an arithmetic number, because the mean of its divisors is an integer number (138366).

2⁴⁶¹²¹⁵ is an apocalyptic number.

461215 is a deficient number, since it is larger than the sum of its proper divisors (92249).

461215 is an equidigital number, since it uses as much as digits as its factorization.

461215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92248.

The product of its digits is 240, while the sum is 19.

The square root of 461215 is about 679.1281175154. The cubic root of 461215 is about 77.2623312008.

Adding to 461215 its reverse (512164), we get a palindrome (973379).

It can be divided in two parts, 461 and 215, that added together give a palindrome (676).

The spelling of 461215 in words is "four hundred sixty-one thousand, two hundred fifteen".