7251272529 has 8 divisors (see below), whose sum is σ = 9804537792. Its totient is φ = 4766094480.

The previous prime is 7251272521. The next prime is 7251272551. The reversal of 7251272529 is 9252721527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7251272529 - 2³ = 7251272521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7251272521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17021554 + ... + 17021979.

It is an arithmetic number, because the mean of its divisors is an integer number (1225567224).

Almost surely, 2^7251272529 is an apocalyptic number.

It is an amenable number.

7251272529 is a deficient number, since it is larger than the sum of its proper divisors (2553265263).

7251272529 is a wasteful number, since it uses less digits than its factorization.

7251272529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34043607.

The product of its digits is 176400, while the sum is 42.

The square root of 7251272529 is about 85154.4040493503. The cubic root of 7251272529 is about 1935.5515505349.

The spelling of 7251272529 in words is "seven billion, two hundred fifty-one million, two hundred seventy-two thousand, five hundred twenty-nine".