7357525521 has 4 divisors (see below), whose sum is σ = 9810034032. Its totient is φ = 4905017012.

The previous prime is 7357525501. The next prime is 7357525529. The reversal of 7357525521 is 1255257537.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7357525521 - 2⁶ = 7357525457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7357525529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226254251 + ... + 1226254256.

It is an arithmetic number, because the mean of its divisors is an integer number (2452508508).

Almost surely, 2^7357525521 is an apocalyptic number.

It is an amenable number.

7357525521 is a deficient number, since it is larger than the sum of its proper divisors (2452508511).

7357525521 is a wasteful number, since it uses less digits than its factorization.

7357525521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452508510.

The product of its digits is 367500, while the sum is 42.

The square root of 7357525521 is about 85776.0194984589. The cubic root of 7357525521 is about 1944.9596342867.

The spelling of 7357525521 in words is "seven billion, three hundred fifty-seven million, five hundred twenty-five thousand, five hundred twenty-one".