3521829025 has 81 divisors (see below), whose sum is σ = 5261191257. Its totient is φ = 2335819200.

The previous prime is 3521829001. The next prime is 3521829133. The reversal of 3521829025 is 5209281253.

The square root of 3521829025 is 59345.

It is a perfect power (a square), and thus also a powerful number.

3521829025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 907756641 + 2614072384 = 30129^2 + 51128^2 .

It is not a de Polignac number, because 3521829025 - 2¹⁹ = 3521304737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 42431634 + ... + 42431716.

Almost surely, 2^3521829025 is an apocalyptic number.

3521829025 is the 59345-th square number.

3521829025 is the 29673-rd centered octagonal number.

It is an amenable number.

3521829025 is a deficient number, since it is larger than the sum of its proper divisors (1739362232).

3521829025 is a wasteful number, since it uses less digits than its factorization.

3521829025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The cubic root of 3521829025 is about 1521.4444119835. Note that the first 4 decimals are identical.

The spelling of 3521829025 in words is "three billion, five hundred twenty-one million, eight hundred twenty-nine thousand, twenty-five".