7951243 has 2 divisors, whose sum is σ = 7951244. Its totient is φ = 7951242.

The previous prime is 7951213. The next prime is 7951247. The reversal of 7951243 is 3421597.

It is a strong prime.

It is an emirp because it is prime and its reverse (3421597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7951243 - 2⁵ = 7951211 is a prime.

It is not a weakly prime, because it can be changed into another prime (7951247) 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, 3975621 + 3975622.

It is an arithmetic number, because the mean of its divisors is an integer number (3975622).

Almost surely, 2^7951243 is an apocalyptic number.

7951243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7951243 is an equidigital number, since it uses as much as digits as its factorization.

7951243 is an odious number, because the sum of its binary digits is odd.

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

The square root of 7951243 is about 2819.7948506939. The cubic root of 7951243 is about 199.5928634281.

The spelling of 7951243 in words is "seven million, nine hundred fifty-one thousand, two hundred forty-three".