7471249 has 2 divisors, whose sum is σ = 7471250. Its totient is φ = 7471248.

The previous prime is 7471213. The next prime is 7471271. The reversal of 7471249 is 9421747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4231249 + 3240000 = 2057^2 + 1800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7471249 is a prime.

It is not a weakly prime, because it can be changed into another prime (7471049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3735624 + 3735625.

It is an arithmetic number, because the mean of its divisors is an integer number (3735625).

Almost surely, 2^7471249 is an apocalyptic number.

It is an amenable number.

7471249 is a deficient number, since it is larger than the sum of its proper divisors (1).

7471249 is an equidigital number, since it uses as much as digits as its factorization.

7471249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 7471249 is about 2733.3585567942. The cubic root of 7471249 is about 195.4929365170.

The spelling of 7471249 in words is "seven million, four hundred seventy-one thousand, two hundred forty-nine".