3525811 has 4 divisors (see below), whose sum is σ = 3711400. Its totient is φ = 3340224.

The previous prime is 3525803. The next prime is 3525829. The reversal of 3525811 is 1185253.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1185253 = 139 ⋅8527.

It is a cyclic number.

It is not a de Polignac number, because 3525811 - 2³ = 3525803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3525311) 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 3 ways as a sum of consecutive naturals, for example, 92766 + ... + 92803.

It is an arithmetic number, because the mean of its divisors is an integer number (927850).

Almost surely, 2^3525811 is an apocalyptic number.

3525811 is a deficient number, since it is larger than the sum of its proper divisors (185589).

3525811 is a wasteful number, since it uses less digits than its factorization.

3525811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185588.

The product of its digits is 1200, while the sum is 25.

The square root of 3525811 is about 1877.7143020172. The cubic root of 3525811 is about 152.2017605789.

The spelling of 3525811 in words is "three million, five hundred twenty-five thousand, eight hundred eleven".