3525391 has 2 divisors, whose sum is σ = 3525392. Its totient is φ = 3525390.

The previous prime is 3525377. The next prime is 3525419. The reversal of 3525391 is 1935253.

It is an a-pointer prime, because the next prime (3525419) can be obtained adding 3525391 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (1935253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3525391 - 2⁵ = 3525359 is a prime.

3525391 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 1762695 + 1762696.

It is an arithmetic number, because the mean of its divisors is an integer number (1762696).

Almost surely, 2^3525391 is an apocalyptic number.

3525391 is the 1188-th centered pentagonal number.

3525391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3525391 is an equidigital number, since it uses as much as digits as its factorization.

3525391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 28.

The square root of 3525391 is about 1877.6024605864. The cubic root of 3525391 is about 152.1957168367.

It can be divided in two parts, 35253 and 91, that multiplied together give a palindrome (3208023).

The spelling of 3525391 in words is "three million, five hundred twenty-five thousand, three hundred ninety-one".