3525849 has 40 divisors (see below), whose sum is σ = 5808000. Its totient is φ = 2122848.

The previous prime is 3525833. The next prime is 3525859. The reversal of 3525849 is 9485253.

It is not a de Polignac number, because 3525849 - 2⁴ = 3525833 is a prime.

It is a super-2 number, since 2×3525849² = 24863222341602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3525829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44592 + ... + 44670.

It is an arithmetic number, because the mean of its divisors is an integer number (145200).

Almost surely, 2^3525849 is an apocalyptic number.

It is an amenable number.

3525849 is a deficient number, since it is larger than the sum of its proper divisors (2282151).

3525849 is a wasteful number, since it uses less digits than its factorization.

3525849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 130 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 3525849 is about 1877.7244206752. The cubic root of 3525849 is about 152.2023073700.

The spelling of 3525849 in words is "three million, five hundred twenty-five thousand, eight hundred forty-nine".