7520251349 has 16 divisors (see below), whose sum is σ = 8250971904. Its totient is φ = 6811819200.

The previous prime is 7520251337. The next prime is 7520251367. The reversal of 7520251349 is 9431520257.

It is a cyclic number.

It is not a de Polignac number, because 7520251349 - 2²⁴ = 7503474133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7520251379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330782 + ... + 352784.

It is an arithmetic number, because the mean of its divisors is an integer number (515685744).

Almost surely, 2^7520251349 is an apocalyptic number.

It is an amenable number.

7520251349 is a deficient number, since it is larger than the sum of its proper divisors (730720555).

7520251349 is a wasteful number, since it uses less digits than its factorization.

7520251349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22508.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 7520251349 is about 86719.3827757094. The cubic root of 7520251349 is about 1959.1940450238.

The spelling of 7520251349 in words is "seven billion, five hundred twenty million, two hundred fifty-one thousand, three hundred forty-nine".