5157947 has 2 divisors, whose sum is σ = 5157948. Its totient is φ = 5157946.

The previous prime is 5157941. The next prime is 5157967. The reversal of 5157947 is 7497515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5157947 - 2⁶ = 5157883 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5157947.

It is not a weakly prime, because it can be changed into another prime (5157941) 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, 2578973 + 2578974.

It is an arithmetic number, because the mean of its divisors is an integer number (2578974).

Almost surely, 2^5157947 is an apocalyptic number.

5157947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157947 is an equidigital number, since it uses as much as digits as its factorization.

5157947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 38.

The square root of 5157947 is about 2271.1114019352. Note that the first 3 decimals coincide. The cubic root of 5157947 is about 172.7795313797.

The spelling of 5157947 in words is "five million, one hundred fifty-seven thousand, nine hundred forty-seven".