47717497 has 2 divisors, whose sum is σ = 47717498. Its totient is φ = 47717496.

The previous prime is 47717477. The next prime is 47717503. The reversal of 47717497 is 79471774.

It is a happy number.

47717497 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 can be written as a sum of positive squares in only one way, i.e., 31629376 + 16088121 = 5624^2 + 4011^2 .

It is a cyclic number.

It is not a de Polignac number, because 47717497 - 2²³ = 39328889 is a prime.

It is not a weakly prime, because it can be changed into another prime (47717407) 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, 23858748 + 23858749.

It is an arithmetic number, because the mean of its divisors is an integer number (23858749).

Almost surely, 2^47717497 is an apocalyptic number.

It is an amenable number.

47717497 is a deficient number, since it is larger than the sum of its proper divisors (1).

47717497 is an equidigital number, since it uses as much as digits as its factorization.

47717497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345744, while the sum is 46.

The square root of 47717497 is about 6907.7852456486. The cubic root of 47717497 is about 362.7097402156.

The spelling of 47717497 in words is "forty-seven million, seven hundred seventeen thousand, four hundred ninety-seven".