7250539 has 4 divisors (see below), whose sum is σ = 7358824. Its totient is φ = 7142256.

The previous prime is 7250527. The next prime is 7250561. The reversal of 7250539 is 9350527.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7250539 - 2⁹ = 7250027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7250539.

It is not an unprimeable number, because it can be changed into a prime (7250519) 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, 54042 + ... + 54175.

It is an arithmetic number, because the mean of its divisors is an integer number (1839706).

Almost surely, 2^7250539 is an apocalyptic number.

7250539 is a deficient number, since it is larger than the sum of its proper divisors (108285).

7250539 is a wasteful number, since it uses less digits than its factorization.

7250539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108284.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 7250539 is about 2692.6824914943. The cubic root of 7250539 is about 193.5486282401.

The spelling of 7250539 in words is "seven million, two hundred fifty thousand, five hundred thirty-nine".