3525221241 has 12 divisors (see below), whose sum is σ = 5114823168. Its totient is φ = 2339607384.

The previous prime is 3525221197. The next prime is 3525221257. The reversal of 3525221241 is 1421225253.

3525221241 is a `hidden beast` number, since 352 + 52 + 21 + 241 = 666.

It is not a de Polignac number, because 3525221241 - 2⁷ = 3525221113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3525221261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876225 + ... + 880238.

It is an arithmetic number, because the mean of its divisors is an integer number (426235264).

Almost surely, 2^3525221241 is an apocalyptic number.

It is an amenable number.

3525221241 is a deficient number, since it is larger than the sum of its proper divisors (1589601927).

3525221241 is a wasteful number, since it uses less digits than its factorization.

3525221241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756692 (or 1756689 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 3525221241 is about 59373.5735912872. The cubic root of 3525221241 is about 1521.9327389186.

Adding to 3525221241 its reverse (1421225253), we get a palindrome (4946446494).

The spelling of 3525221241 in words is "three billion, five hundred twenty-five million, two hundred twenty-one thousand, two hundred forty-one".