7250945 has 12 divisors (see below), whose sum is σ = 9423036. Its totient is φ = 5353920.

The previous prime is 7250939. The next prime is 7250987. The reversal of 7250945 is 5490527.

It can be written as a sum of positive squares in 6 ways, for example, as 4068289 + 3182656 = 2017^2 + 1784^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7250945 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3446 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (785253).

Almost surely, 2^7250945 is an apocalyptic number.

It is an amenable number.

7250945 is a deficient number, since it is larger than the sum of its proper divisors (2172091).

7250945 is a wasteful number, since it uses less digits than its factorization.

7250945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8612 (or 8599 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 7250945 is about 2692.7578799439. The cubic root of 7250945 is about 193.5522408119.

The spelling of 7250945 in words is "seven million, two hundred fifty thousand, nine hundred forty-five".