46575821 has 4 divisors (see below), whose sum is σ = 49027200. Its totient is φ = 44124444.

The previous prime is 46575803. The next prime is 46575829. The reversal of 46575821 is 12857564.

46575821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-46575821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46575829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225661 + ... + 1225698.

It is an arithmetic number, because the mean of its divisors is an integer number (12256800).

Almost surely, 2^46575821 is an apocalyptic number.

It is an amenable number.

46575821 is a deficient number, since it is larger than the sum of its proper divisors (2451379).

46575821 is a wasteful number, since it uses less digits than its factorization.

46575821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451378.

The product of its digits is 67200, while the sum is 38.

The square root of 46575821 is about 6824.6480495334. The cubic root of 46575821 is about 359.7936600476.

The spelling of 46575821 in words is "forty-six million, five hundred seventy-five thousand, eight hundred twenty-one".