46540321 has 4 divisors (see below), whose sum is σ = 47329200. Its totient is φ = 45751444.

The previous prime is 46540313. The next prime is 46540337. The reversal of 46540321 is 12304564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46540321 - 2³ = 46540313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46540301) 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, 394351 + ... + 394468.

It is an arithmetic number, because the mean of its divisors is an integer number (11832300).

Almost surely, 2^46540321 is an apocalyptic number.

It is an amenable number.

46540321 is a deficient number, since it is larger than the sum of its proper divisors (788879).

46540321 is an equidigital number, since it uses as much as digits as its factorization.

46540321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788878.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 46540321 is about 6822.0466870288. The cubic root of 46540321 is about 359.7022254711.

Adding to 46540321 its reverse (12304564), we get a palindrome (58844885).

The spelling of 46540321 in words is "forty-six million, five hundred forty thousand, three hundred twenty-one".