7042250 has 32 divisors (see below), whose sum is σ = 13966992. Its totient is φ = 2649600.

The previous prime is 7042229. The next prime is 7042253. The reversal of 7042250 is 522407.

It can be written as a sum of positive squares in 8 ways, for example, as 380689 + 6661561 = 617^2 + 2581^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7042253) 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 15 ways as a sum of consecutive naturals, for example, 3422 + ... + 5078.

Almost surely, 2^7042250 is an apocalyptic number.

7042250 is a deficient number, since it is larger than the sum of its proper divisors (6924742).

7042250 is a wasteful number, since it uses less digits than its factorization.

7042250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 7042250 is about 2653.7237987402. The cubic root of 7042250 is about 191.6772100900.

Adding to 7042250 its reverse (522407), we get a palindrome (7564657).

The spelling of 7042250 in words is "seven million, forty-two thousand, two hundred fifty".