46471309 has 2 divisors, whose sum is σ = 46471310. Its totient is φ = 46471308.

The previous prime is 46471279. The next prime is 46471331. The reversal of 46471309 is 90317464.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45024100 + 1447209 = 6710^2 + 1203^2 .

It is a cyclic number.

It is not a de Polignac number, because 46471309 - 2⁷ = 46471181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46471349) 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, 23235654 + 23235655.

It is an arithmetic number, because the mean of its divisors is an integer number (23235655).

Almost surely, 2^46471309 is an apocalyptic number.

It is an amenable number.

46471309 is a deficient number, since it is larger than the sum of its proper divisors (1).

46471309 is an equidigital number, since it uses as much as digits as its factorization.

46471309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 46471309 is about 6816.9867976988. The cubic root of 46471309 is about 359.5243435149.

The spelling of 46471309 in words is "forty-six million, four hundred seventy-one thousand, three hundred nine".