3505000525 has 24 divisors (see below), whose sum is σ = 4757280584. Its totient is φ = 2545862400.

The previous prime is 3505000481. The next prime is 3505000529. The reversal of 3505000525 is 5250005053.

It can be written as a sum of positive squares in 12 ways, for example, as 3185699364 + 319301161 = 56442^2 + 17869^2 .

It is not a de Polignac number, because 3505000525 - 2²⁵ = 3471446093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3505000525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505000529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68574 + ... + 108223.

Almost surely, 2^3505000525 is an apocalyptic number.

It is an amenable number.

3505000525 is a deficient number, since it is larger than the sum of its proper divisors (1252280059).

3505000525 is a wasteful number, since it uses less digits than its factorization.

3505000525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176881 (or 176876 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 3505000525 is about 59203.0448963565. The cubic root of 3505000525 is about 1519.0172151431.

Adding to 3505000525 its reverse (5250005053), we get a palindrome (8755005578).

The spelling of 3505000525 in words is "three billion, five hundred five million, five hundred twenty-five", and thus it is an aban number.