47080409 has 2 divisors, whose sum is σ = 47080410. Its totient is φ = 47080408.

The previous prime is 47080387. The next prime is 47080457. The reversal of 47080409 is 90408074.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28590409 + 18490000 = 5347^2 + 4300^2 .

It is a cyclic number.

It is not a de Polignac number, because 47080409 - 2⁸ = 47080153 is a prime.

It is a plaindrome in base 7.

It is not a weakly prime, because it can be changed into another prime (47080459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23540204 + 23540205.

It is an arithmetic number, because the mean of its divisors is an integer number (23540205).

Almost surely, 2^47080409 is an apocalyptic number.

It is an amenable number.

47080409 is a deficient number, since it is larger than the sum of its proper divisors (1).

47080409 is an equidigital number, since it uses as much as digits as its factorization.

47080409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 47080409 is about 6861.5165233351. The cubic root of 47080409 is about 361.0882936659.

The spelling of 47080409 in words is "forty-seven million, eighty thousand, four hundred nine".