46908581 has 2 divisors, whose sum is σ = 46908582. Its totient is φ = 46908580.

The previous prime is 46908577. The next prime is 46908583. The reversal of 46908581 is 18580964.

46908581 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., 46036225 + 872356 = 6785^2 + 934^2 .

It is a cyclic number.

It is not a de Polignac number, because 46908581 - 2² = 46908577 is a prime.

It is a super-2 number, since 2×46908581² = 4400829942867122, which contains 22 as substring.

Together with 46908583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46908583) 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, 23454290 + 23454291.

It is an arithmetic number, because the mean of its divisors is an integer number (23454291).

Almost surely, 2^46908581 is an apocalyptic number.

It is an amenable number.

46908581 is a deficient number, since it is larger than the sum of its proper divisors (1).

46908581 is an equidigital number, since it uses as much as digits as its factorization.

46908581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 46908581 is about 6848.9839392424. The cubic root of 46908581 is about 360.6484736825.

The spelling of 46908581 in words is "forty-six million, nine hundred eight thousand, five hundred eighty-one".