3525521901 has 16 divisors (see below), whose sum is σ = 5212100928. Its totient is φ = 2101651200.

The previous prime is 3525521891. The next prime is 3525521957. The reversal of 3525521901 is 1091255253.

3525521901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3525521901 - 2⁶ = 3525521837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525523901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873676 + ... + 877701.

It is an arithmetic number, because the mean of its divisors is an integer number (325756308).

Almost surely, 2^3525521901 is an apocalyptic number.

It is an amenable number.

3525521901 is a deficient number, since it is larger than the sum of its proper divisors (1686579027).

3525521901 is a wasteful number, since it uses less digits than its factorization.

3525521901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751452.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 3525521901 is about 59376.1054718142. The cubic root of 3525521901 is about 1521.9760053557.

It can be divided in two parts, 352552 and 1901, that added together give a palindrome (354453).

The spelling of 3525521901 in words is "three billion, five hundred twenty-five million, five hundred twenty-one thousand, nine hundred one".