47303813 has 2 divisors, whose sum is σ = 47303814. Its totient is φ = 47303812.

The previous prime is 47303803. The next prime is 47303819. The reversal of 47303813 is 31830374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28494244 + 18809569 = 5338^2 + 4337^2 .

It is a cyclic number.

It is not a de Polignac number, because 47303813 - 2¹² = 47299717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47303819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23651906 + 23651907.

It is an arithmetic number, because the mean of its divisors is an integer number (23651907).

Almost surely, 2^47303813 is an apocalyptic number.

It is an amenable number.

47303813 is a deficient number, since it is larger than the sum of its proper divisors (1).

47303813 is an equidigital number, since it uses as much as digits as its factorization.

47303813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 47303813 is about 6877.7767483395. The cubic root of 47303813 is about 361.6585330438.

The spelling of 47303813 in words is "forty-seven million, three hundred three thousand, eight hundred thirteen".