46180081 has 2 divisors, whose sum is σ = 46180082. Its totient is φ = 46180080.

The previous prime is 46180039. The next prime is 46180103. The reversal of 46180081 is 18008164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34339600 + 11840481 = 5860^2 + 3441^2 .

It is a cyclic number.

It is not a de Polignac number, because 46180081 - 2⁹ = 46179569 is a prime.

It is a super-2 number, since 2×46180081² = 4265199762333122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46180681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23090040 + 23090041.

It is an arithmetic number, because the mean of its divisors is an integer number (23090041).

Almost surely, 2^46180081 is an apocalyptic number.

It is an amenable number.

46180081 is a deficient number, since it is larger than the sum of its proper divisors (1).

46180081 is an equidigital number, since it uses as much as digits as its factorization.

46180081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 46180081 is about 6795.5927629604. The cubic root of 46180081 is about 358.7717426636.

The spelling of 46180081 in words is "forty-six million, one hundred eighty thousand, eighty-one".