7250581129 has 8 divisors (see below), whose sum is σ = 7914936672. Its totient is φ = 6587094240.

The previous prime is 7250581069. The next prime is 7250581171. The reversal of 7250581129 is 9211850527.

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

It is a cyclic number.

It is not a de Polignac number, because 7250581129 - 2²⁵ = 7217026697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7250581091 and 7250581100.

It is not an unprimeable number, because it can be changed into a prime (7250581229) 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, 199644 + ... + 233149.

It is an arithmetic number, because the mean of its divisors is an integer number (989367084).

Almost surely, 2^7250581129 is an apocalyptic number.

It is an amenable number.

7250581129 is a deficient number, since it is larger than the sum of its proper divisors (664355543).

7250581129 is a wasteful number, since it uses less digits than its factorization.

7250581129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434327.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 7250581129 is about 85150.3442682412. The cubic root of 7250581129 is about 1935.4900310856.

The spelling of 7250581129 in words is "seven billion, two hundred fifty million, five hundred eighty-one thousand, one hundred twenty-nine".