7442249 has 2 divisors, whose sum is σ = 7442250. Its totient is φ = 7442248.

The previous prime is 7442233. The next prime is 7442333. The reversal of 7442249 is 9422447.

7442249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 446224 = 2645^2 + 668^2 .

It is an emirp because it is prime and its reverse (9422447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7442249 - 2⁴ = 7442233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7442749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3721124 + 3721125.

It is an arithmetic number, because the mean of its divisors is an integer number (3721125).

Almost surely, 2^7442249 is an apocalyptic number.

It is an amenable number.

7442249 is a deficient number, since it is larger than the sum of its proper divisors (1).

7442249 is an equidigital number, since it uses as much as digits as its factorization.

7442249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 7442249 is about 2728.0485699489. The cubic root of 7442249 is about 195.2396702412.

The spelling of 7442249 in words is "seven million, four hundred forty-two thousand, two hundred forty-nine".