461221033 has 32 divisors (see below), whose sum is σ = 603300096. Its totient is φ = 342171648.

The previous prime is 461221031. The next prime is 461221037. The reversal of 461221033 is 330122164.

It is not a de Polignac number, because 461221033 - 2¹ = 461221031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461220995 and 461221013.

It is not an unprimeable number, because it can be changed into a prime (461221031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684985 + ... + 685657.

It is an arithmetic number, because the mean of its divisors is an integer number (18853128).

Almost surely, 2^461221033 is an apocalyptic number.

It is an amenable number.

461221033 is a deficient number, since it is larger than the sum of its proper divisors (142079063).

461221033 is a wasteful number, since it uses less digits than its factorization.

461221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 461221033 is about 21476.0572033136. The cubic root of 461221033 is about 772.6266808023.

Adding to 461221033 its reverse (330122164), we get a palindrome (791343197).

The spelling of 461221033 in words is "four hundred sixty-one million, two hundred twenty-one thousand, thirty-three".