3525561528 has 32 divisors (see below), whose sum is σ = 8877321600. Its totient is φ = 1166731488.

The previous prime is 3525561493. The next prime is 3525561547. The reversal of 3525561528 is 8251655253.

It is a self number, because there is not a number n which added to its sum of digits gives 3525561528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525076 + ... + 531747.

It is an arithmetic number, because the mean of its divisors is an integer number (277416300).

Almost surely, 2^3525561528 is an apocalyptic number.

It is an amenable number.

3525561528 is an abundant number, since it is smaller than the sum of its proper divisors (5351760072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3525561528 is a wasteful number, since it uses less digits than its factorization.

3525561528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056971 (or 1056967 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The square root of 3525561528 is about 59376.4391657162. The cubic root of 3525561528 is about 1521.9817076904.

The spelling of 3525561528 in words is "three billion, five hundred twenty-five million, five hundred sixty-one thousand, five hundred twenty-eight".