46153721 has 2 divisors, whose sum is σ = 46153722. Its totient is φ = 46153720.

The previous prime is 46153697. The next prime is 46153747. The reversal of 46153721 is 12735164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45414121 + 739600 = 6739^2 + 860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46153721 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (46153781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23076860 + 23076861.

It is an arithmetic number, because the mean of its divisors is an integer number (23076861).

Almost surely, 2^46153721 is an apocalyptic number.

It is an amenable number.

46153721 is a deficient number, since it is larger than the sum of its proper divisors (1).

46153721 is an equidigital number, since it uses as much as digits as its factorization.

46153721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 46153721 is about 6793.6529937877. The cubic root of 46153721 is about 358.7034663063.

Adding to 46153721 its reverse (12735164), we get a palindrome (58888885).

The spelling of 46153721 in words is "forty-six million, one hundred fifty-three thousand, seven hundred twenty-one".