46623281 has 2 divisors, whose sum is σ = 46623282. Its totient is φ = 46623280.

The previous prime is 46623257. The next prime is 46623289. The reversal of 46623281 is 18232664.

46623281 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., 46022656 + 600625 = 6784^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 46623281 - 2¹⁸ = 46361137 is a prime.

It is a super-2 number, since 2×46623281² = 4347460662409922, which contains 22 as substring.

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 (46623289) 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, 23311640 + 23311641.

It is an arithmetic number, because the mean of its divisors is an integer number (23311641).

Almost surely, 2^46623281 is an apocalyptic number.

It is an amenable number.

46623281 is a deficient number, since it is larger than the sum of its proper divisors (1).

46623281 is an equidigital number, since it uses as much as digits as its factorization.

46623281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 46623281 is about 6828.1242665903. The cubic root of 46623281 is about 359.9158265139.

The spelling of 46623281 in words is "forty-six million, six hundred twenty-three thousand, two hundred eighty-one".