3642571 has 2 divisors, whose sum is σ = 3642572. Its totient is φ = 3642570.

The previous prime is 3642559. The next prime is 3642577. The reversal of 3642571 is 1752463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3642571 - 2¹¹ = 3640523 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3642577) 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, 1821285 + 1821286.

It is an arithmetic number, because the mean of its divisors is an integer number (1821286).

Almost surely, 2^3642571 is an apocalyptic number.

3642571 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642571 is an equidigital number, since it uses as much as digits as its factorization.

3642571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 3642571 is about 1908.5520689779. The cubic root of 3642571 is about 153.8636421594.

The spelling of 3642571 in words is "three million, six hundred forty-two thousand, five hundred seventy-one".