5213947 has 2 divisors, whose sum is σ = 5213948. Its totient is φ = 5213946.

The previous prime is 5213941. The next prime is 5213959. The reversal of 5213947 is 7493125.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5213947 is a prime.

5213947 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5213941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606973 + 2606974.

It is an arithmetic number, because the mean of its divisors is an integer number (2606974).

Almost surely, 2^5213947 is an apocalyptic number.

5213947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5213947 is an equidigital number, since it uses as much as digits as its factorization.

5213947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 5213947 is about 2283.4068844601. The cubic root of 5213947 is about 173.4025730118.

The spelling of 5213947 in words is "five million, two hundred thirteen thousand, nine hundred forty-seven".