47080381 has 2 divisors, whose sum is σ = 47080382. Its totient is φ = 47080380.

The previous prime is 47080367. The next prime is 47080387. The reversal of 47080381 is 18308074.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35212356 + 11868025 = 5934^2 + 3445^2 .

It is a cyclic number.

It is not a de Polignac number, because 47080381 - 2⁹ = 47079869 is a prime.

It is a super-3 number, since 3×47080381³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47080387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23540190 + 23540191.

It is an arithmetic number, because the mean of its divisors is an integer number (23540191).

Almost surely, 2^47080381 is an apocalyptic number.

It is an amenable number.

47080381 is a deficient number, since it is larger than the sum of its proper divisors (1).

47080381 is an equidigital number, since it uses as much as digits as its factorization.

47080381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 47080381 is about 6861.5144829695. The cubic root of 47080381 is about 361.0882220828.

The spelling of 47080381 in words is "forty-seven million, eighty thousand, three hundred eighty-one".