46721251 has 2 divisors, whose sum is σ = 46721252. Its totient is φ = 46721250.

The previous prime is 46721239. The next prime is 46721273. The reversal of 46721251 is 15212764.

46721251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46721251 - 2¹⁵ = 46688483 is a prime.

It is not a weakly prime, because it can be changed into another prime (46721201) 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, 23360625 + 23360626.

It is an arithmetic number, because the mean of its divisors is an integer number (23360626).

Almost surely, 2^46721251 is an apocalyptic number.

46721251 is a deficient number, since it is larger than the sum of its proper divisors (1).

46721251 is an equidigital number, since it uses as much as digits as its factorization.

46721251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 46721251 is about 6835.2945071884. The cubic root of 46721251 is about 360.1677484685.

The spelling of 46721251 in words is "forty-six million, seven hundred twenty-one thousand, two hundred fifty-one".