3524915641 has 9 divisors (see below), whose sum is σ = 3817756431. Its totient is φ = 3253055832.

The previous prime is 3524915621. The next prime is 3524915671. The reversal of 3524915641 is 1465194253.

The square root of 3524915641 is 59371.

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

It can be written as a sum of positive squares in only one way, i.e., 521437225 + 3003478416 = 22835^2 + 54804^2 .

It is not a de Polignac number, because 3524915641 - 2⁹ = 3524915129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3524915594 and 3524915603.

It is not an unprimeable number, because it can be changed into a prime (3524915621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 769540 + ... + 774106.

It is an arithmetic number, because the mean of its divisors is an integer number (424195159).

Almost surely, 2^3524915641 is an apocalyptic number.

3524915641 is the 59371-st square number.

3524915641 is the 29686-th centered octagonal number.

It is an amenable number.

3524915641 is a deficient number, since it is larger than the sum of its proper divisors (292840790).

3524915641 is an frugal number, since it uses more digits than its factorization.

3524915641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160 (or 4580 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The cubic root of 3524915641 is about 1521.8887590704. Note that the first 3 decimals are identical.

Multiplying 3524915641 by its product of digits (129600), we get a square (456829067073600 = 21373560²).

The spelling of 3524915641 in words is "three billion, five hundred twenty-four million, nine hundred fifteen thousand, six hundred forty-one".