46621217 has 2 divisors, whose sum is σ = 46621218. Its totient is φ = 46621216.

The previous prime is 46621189. The next prime is 46621219. The reversal of 46621217 is 71212664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24049216 + 22572001 = 4904^2 + 4751^2 .

It is a cyclic number.

It is not a de Polignac number, because 46621217 - 2⁸ = 46620961 is a prime.

It is a super-2 number, since 2×46621217² = 4347075749122178, which contains 22 as substring.

Together with 46621219, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46621217.

It is not a weakly prime, because it can be changed into another prime (46621219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23310608 + 23310609.

It is an arithmetic number, because the mean of its divisors is an integer number (23310609).

Almost surely, 2^46621217 is an apocalyptic number.

It is an amenable number.

46621217 is a deficient number, since it is larger than the sum of its proper divisors (1).

46621217 is an equidigital number, since it uses as much as digits as its factorization.

46621217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 46621217 is about 6827.9731253133. The cubic root of 46621217 is about 359.9105153102.

The spelling of 46621217 in words is "forty-six million, six hundred twenty-one thousand, two hundred seventeen".