3531001 has 2 divisors, whose sum is σ = 3531002. Its totient is φ = 3531000.

The previous prime is 3530999. The next prime is 3531007. The reversal of 3531001 is 1001353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3515625 + 15376 = 1875^2 + 124^2 .

It is an emirp because it is prime and its reverse (1001353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3531001 - 2¹ = 3530999 is a prime.

Together with 3530999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3531007) 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, 1765500 + 1765501.

It is an arithmetic number, because the mean of its divisors is an integer number (1765501).

Almost surely, 2^3531001 is an apocalyptic number.

It is an amenable number.

3531001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3531001 is an equidigital number, since it uses as much as digits as its factorization.

3531001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 3531001 is about 1879.0957931942. The cubic root of 3531001 is about 152.2764043854.

Adding to 3531001 its reverse (1001353), we get a palindrome (4532354).

It can be divided in two parts, 353 and 1001, that multiplied together give a palindrome (353353).

The spelling of 3531001 in words is "three million, five hundred thirty-one thousand, one".