3525245521 has 8 divisors (see below), whose sum is σ = 4068742464. Its totient is φ = 2991721200.

The previous prime is 3525245513. The next prime is 3525245527. The reversal of 3525245521 is 1255425253.

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 3525245521 - 2³ = 3525245513 is a prime.

It is a super-2 number, since 2×3525245521² = 24854711966661122882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3525245527) 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 7 ways as a sum of consecutive naturals, for example, 2492395 + ... + 2493808.

It is an arithmetic number, because the mean of its divisors is an integer number (508592808).

Almost surely, 2^3525245521 is an apocalyptic number.

It is an amenable number.

3525245521 is a deficient number, since it is larger than the sum of its proper divisors (543496943).

3525245521 is a wasteful number, since it uses less digits than its factorization.

3525245521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986311.

The product of its digits is 60000, while the sum is 34.

The square root of 3525245521 is about 59373.7780590051. The cubic root of 3525245521 is about 1521.9362330201.

The spelling of 3525245521 in words is "three billion, five hundred twenty-five million, two hundred forty-five thousand, five hundred twenty-one".