47606549 has 2 divisors, whose sum is σ = 47606550. Its totient is φ = 47606548.

The previous prime is 47606501. The next prime is 47606551. The reversal of 47606549 is 94560674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45024100 + 2582449 = 6710^2 + 1607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47606549 is a prime.

Together with 47606551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47606599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23803274 + 23803275.

It is an arithmetic number, because the mean of its divisors is an integer number (23803275).

Almost surely, 2^47606549 is an apocalyptic number.

It is an amenable number.

47606549 is a deficient number, since it is larger than the sum of its proper divisors (1).

47606549 is an equidigital number, since it uses as much as digits as its factorization.

47606549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 47606549 is about 6899.7499230045. The cubic root of 47606549 is about 362.4284098023.

The spelling of 47606549 in words is "forty-seven million, six hundred six thousand, five hundred forty-nine".