46302181 has 2 divisors, whose sum is σ = 46302182. Its totient is φ = 46302180.

The previous prime is 46302167. The next prime is 46302199. The reversal of 46302181 is 18120364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28451556 + 17850625 = 5334^2 + 4225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46302181 is a prime.

It is a super-2 number, since 2×46302181² = 4287783930713522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46302121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23151090 + 23151091.

It is an arithmetic number, because the mean of its divisors is an integer number (23151091).

Almost surely, 2^46302181 is an apocalyptic number.

It is an amenable number.

46302181 is a deficient number, since it is larger than the sum of its proper divisors (1).

46302181 is an equidigital number, since it uses as much as digits as its factorization.

46302181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 46302181 is about 6804.5705962978. The cubic root of 46302181 is about 359.0876615458.

The spelling of 46302181 in words is "forty-six million, three hundred two thousand, one hundred eighty-one".