49447259 has 2 divisors, whose sum is σ = 49447260. Its totient is φ = 49447258.

The previous prime is 49447231. The next prime is 49447261. The reversal of 49447259 is 95274494.

49447259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49447259 - 2⁸ = 49447003 is a prime.

It is a super-2 number, since 2×49447259² = 4890062845226162, which contains 22 as substring.

Together with 49447261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49447219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24723629 + 24723630.

It is an arithmetic number, because the mean of its divisors is an integer number (24723630).

Almost surely, 2^49447259 is an apocalyptic number.

49447259 is a deficient number, since it is larger than the sum of its proper divisors (1).

49447259 is an equidigital number, since it uses as much as digits as its factorization.

49447259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 49447259 is about 7031.8745011554. The cubic root of 49447259 is about 367.0405729434.

The spelling of 49447259 in words is "forty-nine million, four hundred forty-seven thousand, two hundred fifty-nine".