46408081 has 2 divisors, whose sum is σ = 46408082. Its totient is φ = 46408080.

The previous prime is 46408073. The next prime is 46408097. The reversal of 46408081 is 18080464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40449600 + 5958481 = 6360^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 46408081 - 2³ = 46408073 is a prime.

It is a super-2 number, since 2×46408081² = 4307419964205122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46408031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23204040 + 23204041.

It is an arithmetic number, because the mean of its divisors is an integer number (23204041).

Almost surely, 2^46408081 is an apocalyptic number.

It is an amenable number.

46408081 is a deficient number, since it is larger than the sum of its proper divisors (1).

46408081 is an equidigital number, since it uses as much as digits as its factorization.

46408081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 46408081 is about 6812.3476863707. The cubic root of 46408081 is about 359.3612154612.

It can be divided in two parts, 4640 and 8081, that added together give a palindrome (12721).

The spelling of 46408081 in words is "forty-six million, four hundred eight thousand, eighty-one".