46520321 has 4 divisors (see below), whose sum is σ = 48124500. Its totient is φ = 44916144.

The previous prime is 46520293. The next prime is 46520399. The reversal of 46520321 is 12302564.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25000000 + 21520321 = 5000^2 + 4639^2 .

It is a cyclic number.

It is not a de Polignac number, because 46520321 - 2²² = 42326017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46520821) 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, 802046 + ... + 802103.

It is an arithmetic number, because the mean of its divisors is an integer number (12031125).

Almost surely, 2^46520321 is an apocalyptic number.

It is an amenable number.

46520321 is a deficient number, since it is larger than the sum of its proper divisors (1604179).

46520321 is a wasteful number, since it uses less digits than its factorization.

46520321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604178.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 46520321 is about 6820.5806937533. The cubic root of 46520321 is about 359.6506925557.

Adding to 46520321 its reverse (12302564), we get a palindrome (58822885).

The spelling of 46520321 in words is "forty-six million, five hundred twenty thousand, three hundred twenty-one".