7249943 has 2 divisors, whose sum is σ = 7249944. Its totient is φ = 7249942.

The previous prime is 7249937. The next prime is 7249961. The reversal of 7249943 is 3499427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7249943 - 2⁴ = 7249927 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 7249897 and 7249906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7249343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3624971 + 3624972.

It is an arithmetic number, because the mean of its divisors is an integer number (3624972).

Almost surely, 2^7249943 is an apocalyptic number.

7249943 is a deficient number, since it is larger than the sum of its proper divisors (1).

7249943 is an equidigital number, since it uses as much as digits as its factorization.

7249943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 7249943 is about 2692.5718189122. The cubic root of 7249943 is about 193.5433248117.

It can be divided in two parts, 7249 and 943, that added together give a 13-th power (8192 = 2¹³).

The spelling of 7249943 in words is "seven million, two hundred forty-nine thousand, nine hundred forty-three".