47335381 has 2 divisors, whose sum is σ = 47335382. Its totient is φ = 47335380.

The previous prime is 47335331. The next prime is 47335397. The reversal of 47335381 is 18353374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43112356 + 4223025 = 6566^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 47335381 - 2²¹ = 45238229 is a prime.

It is a super-2 number, since 2×47335381² = 4481276588830322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47335331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23667690 + 23667691.

It is an arithmetic number, because the mean of its divisors is an integer number (23667691).

Almost surely, 2^47335381 is an apocalyptic number.

It is an amenable number.

47335381 is a deficient number, since it is larger than the sum of its proper divisors (1).

47335381 is an equidigital number, since it uses as much as digits as its factorization.

47335381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 47335381 is about 6880.0712932353. The cubic root of 47335381 is about 361.7389655863.

The spelling of 47335381 in words is "forty-seven million, three hundred thirty-five thousand, three hundred eighty-one".