3525145 has 16 divisors (see below), whose sum is σ = 4595472. Its totient is φ = 2580480.

The previous prime is 3525143. The next prime is 3525157. The reversal of 3525145 is 5415253.

3525145 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 8 ways, for example, as 331776 + 3193369 = 576^2 + 1787^2 .

It is not a de Polignac number, because 3525145 - 2¹ = 3525143 is a prime.

It is a Duffinian number.

3525145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3525143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12405 + ... + 12685.

It is an arithmetic number, because the mean of its divisors is an integer number (287217).

Almost surely, 2^3525145 is an apocalyptic number.

It is an amenable number.

3525145 is a deficient number, since it is larger than the sum of its proper divisors (1070327).

3525145 is a wasteful number, since it uses less digits than its factorization.

3525145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 3000, while the sum is 25.

The square root of 3525145 is about 1877.5369503688. The cubic root of 3525145 is about 152.1921767077.

The spelling of 3525145 in words is "three million, five hundred twenty-five thousand, one hundred forty-five".