3521525565 has 8 divisors (see below), whose sum is σ = 5634440928. Its totient is φ = 1878146960.

The previous prime is 3521525551. The next prime is 3521525591. The reversal of 3521525565 is 5655251253.

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

It is not a de Polignac number, because 3521525565 - 2⁸ = 3521525309 is a prime.

It is a super-2 number, since 2×3521525565² = 24802284609897138450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 117384171 + ... + 117384200.

It is an arithmetic number, because the mean of its divisors is an integer number (704305116).

Almost surely, 2^3521525565 is an apocalyptic number.

It is an amenable number.

3521525565 is a deficient number, since it is larger than the sum of its proper divisors (2112915363).

3521525565 is a wasteful number, since it uses less digits than its factorization.

3521525565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234768379.

The product of its digits is 225000, while the sum is 39.

The square root of 3521525565 is about 59342.4432004615. The cubic root of 3521525565 is about 1521.4007120784.

The spelling of 3521525565 in words is "three billion, five hundred twenty-one million, five hundred twenty-five thousand, five hundred sixty-five".