7250005 has 16 divisors (see below), whose sum is σ = 9987840. Its totient is φ = 4948992.

The previous prime is 7249997. The next prime is 7250011. The reversal of 7250005 is 5000527.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7250005 - 2³ = 7249997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12277 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (624240).

Almost surely, 2^7250005 is an apocalyptic number.

It is an amenable number.

7250005 is a deficient number, since it is larger than the sum of its proper divisors (2737835).

7250005 is a wasteful number, since it uses less digits than its factorization.

7250005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 7250005 is about 2692.5833320438. The cubic root of 7250005 is about 193.5438765242.

The spelling of 7250005 in words is "seven million, two hundred fifty thousand, five".