7042249 has 4 divisors (see below), whose sum is σ = 7047936. Its totient is φ = 7036564.

The previous prime is 7042229. The next prime is 7042253. The reversal of 7042249 is 9422407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7042249 - 2⁷ = 7042121 is a prime.

It is a Duffinian number.

7042249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7042219) 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 in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 3754.

It is an arithmetic number, because the mean of its divisors is an integer number (1761984).

Almost surely, 2^7042249 is an apocalyptic number.

It is an amenable number.

7042249 is a deficient number, since it is larger than the sum of its proper divisors (5687).

7042249 is a wasteful number, since it uses less digits than its factorization.

7042249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7042249 is about 2653.7236103257. The cubic root of 7042249 is about 191.6772010173.

The spelling of 7042249 in words is "seven million, forty-two thousand, two hundred forty-nine".