46841581 has 2 divisors, whose sum is σ = 46841582. Its totient is φ = 46841580.

The previous prime is 46841513. The next prime is 46841603. The reversal of 46841581 is 18514864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 23367556 = 4845^2 + 4834^2 .

It is a cyclic number.

It is not a de Polignac number, because 46841581 - 2¹³ = 46833389 is a prime.

It is a super-2 number, since 2×46841581² = 4388267421159122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46841581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46845581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23420790 + 23420791.

It is an arithmetic number, because the mean of its divisors is an integer number (23420791).

Almost surely, 2^46841581 is an apocalyptic number.

It is an amenable number.

46841581 is a deficient number, since it is larger than the sum of its proper divisors (1).

46841581 is an equidigital number, since it uses as much as digits as its factorization.

46841581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 37.

The square root of 46841581 is about 6844.0909549771. The cubic root of 46841581 is about 360.4766859153.

The spelling of 46841581 in words is "forty-six million, eight hundred forty-one thousand, five hundred eighty-one".