46447081 has 2 divisors, whose sum is σ = 46447082. Its totient is φ = 46447080.

The previous prime is 46447073. The next prime is 46447087. The reversal of 46447081 is 18074464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29800681 + 16646400 = 5459^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 46447081 - 2³ = 46447073 is a prime.

It is a super-2 number, since 2×46447081² = 4314662666841122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46447087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23223540 + 23223541.

It is an arithmetic number, because the mean of its divisors is an integer number (23223541).

Almost surely, 2^46447081 is an apocalyptic number.

It is an amenable number.

46447081 is a deficient number, since it is larger than the sum of its proper divisors (1).

46447081 is an equidigital number, since it uses as much as digits as its factorization.

46447081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 46447081 is about 6815.2095345631. The cubic root of 46447081 is about 359.4618528428.

The spelling of 46447081 in words is "forty-six million, four hundred forty-seven thousand, eighty-one".