47431259 has 2 divisors, whose sum is σ = 47431260. Its totient is φ = 47431258.

The previous prime is 47431247. The next prime is 47431273. The reversal of 47431259 is 95213474.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47431259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47430259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23715629 + 23715630.

It is an arithmetic number, because the mean of its divisors is an integer number (23715630).

Almost surely, 2^47431259 is an apocalyptic number.

47431259 is a deficient number, since it is larger than the sum of its proper divisors (1).

47431259 is an equidigital number, since it uses as much as digits as its factorization.

47431259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 47431259 is about 6887.0355741785. The cubic root of 47431259 is about 361.9830354371.

The spelling of 47431259 in words is "forty-seven million, four hundred thirty-one thousand, two hundred fifty-nine".