46680581 has 2 divisors, whose sum is σ = 46680582. Its totient is φ = 46680580.

The previous prime is 46680559. The next prime is 46680619. The reversal of 46680581 is 18508664.

It is an a-pointer prime, because the next prime (46680619) can be obtained adding 46680581 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38328481 + 8352100 = 6191^2 + 2890^2 .

It is a cyclic number.

It is not a de Polignac number, because 46680581 - 2²² = 42486277 is a prime.

It is a super-2 number, since 2×46680581² = 4358153284995122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46688581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23340290 + 23340291.

It is an arithmetic number, because the mean of its divisors is an integer number (23340291).

Almost surely, 2^46680581 is an apocalyptic number.

It is an amenable number.

46680581 is a deficient number, since it is larger than the sum of its proper divisors (1).

46680581 is an equidigital number, since it uses as much as digits as its factorization.

46680581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 46680581 is about 6832.3188596552. The cubic root of 46680581 is about 360.0632116368.

The spelling of 46680581 in words is "forty-six million, six hundred eighty thousand, five hundred eighty-one".