5147647 has 2 divisors, whose sum is σ = 5147648. Its totient is φ = 5147646.

The previous prime is 5147633. The next prime is 5147657. The reversal of 5147647 is 7467415.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5147647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5147627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2573823 + 2573824.

It is an arithmetic number, because the mean of its divisors is an integer number (2573824).

Almost surely, 2^5147647 is an apocalyptic number.

5147647 is a deficient number, since it is larger than the sum of its proper divisors (1).

5147647 is an equidigital number, since it uses as much as digits as its factorization.

5147647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 34.

The square root of 5147647 is about 2268.8426565101. The cubic root of 5147647 is about 172.6644458569.

The spelling of 5147647 in words is "five million, one hundred forty-seven thousand, six hundred forty-seven".