46012721 has 2 divisors, whose sum is σ = 46012722. Its totient is φ = 46012720.

The previous prime is 46012717. The next prime is 46012723. The reversal of 46012721 is 12721064.

46012721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35521600 + 10491121 = 5960^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 46012721 - 2² = 46012717 is a prime.

Together with 46012723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46012723) 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 as a sum of consecutive naturals, namely, 23006360 + 23006361.

It is an arithmetic number, because the mean of its divisors is an integer number (23006361).

Almost surely, 2^46012721 is an apocalyptic number.

It is an amenable number.

46012721 is a deficient number, since it is larger than the sum of its proper divisors (1).

46012721 is an equidigital number, since it uses as much as digits as its factorization.

46012721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 46012721 is about 6783.2677228604. The cubic root of 46012721 is about 358.3378130081.

Adding to 46012721 its reverse (12721064), we get a palindrome (58733785).

The spelling of 46012721 in words is "forty-six million, twelve thousand, seven hundred twenty-one".