7528091133 has 8 divisors (see below), whose sum is σ = 10037973600. Its totient is φ = 5018468048.

The previous prime is 7528091117. The next prime is 7528091171. The reversal of 7528091133 is 3311908257.

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 7528091133 - 2⁴ = 7528091117 is a prime.

It is a super-2 number, since 2×7528091133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7528091091 and 7528091100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7528091633) 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 7 ways as a sum of consecutive naturals, for example, 17998 + ... + 124016.

It is an arithmetic number, because the mean of its divisors is an integer number (1254746700).

Almost surely, 2^7528091133 is an apocalyptic number.

It is an amenable number.

7528091133 is a deficient number, since it is larger than the sum of its proper divisors (2509882467).

7528091133 is a wasteful number, since it uses less digits than its factorization.

7528091133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129691.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 7528091133 is about 86764.5730295493. The cubic root of 7528091133 is about 1959.8746217349.

The spelling of 7528091133 in words is "seven billion, five hundred twenty-eight million, ninety-one thousand, one hundred thirty-three".