47216801 has 2 divisors, whose sum is σ = 47216802. Its totient is φ = 47216800.

The previous prime is 47216797. The next prime is 47216821. The reversal of 47216801 is 10861274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25603600 + 21613201 = 5060^2 + 4649^2 .

It is a cyclic number.

It is not a de Polignac number, because 47216801 - 2² = 47216797 is a prime.

It is a super-3 number, since 3×47216801³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (47216821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23608400 + 23608401.

It is an arithmetic number, because the mean of its divisors is an integer number (23608401).

Almost surely, 2^47216801 is an apocalyptic number.

It is an amenable number.

47216801 is a deficient number, since it is larger than the sum of its proper divisors (1).

47216801 is an equidigital number, since it uses as much as digits as its factorization.

47216801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 47216801 is about 6871.4482461851. The cubic root of 47216801 is about 361.4366485571.

The spelling of 47216801 in words is "forty-seven million, two hundred sixteen thousand, eight hundred one".