3521071 has 2 divisors, whose sum is σ = 3521072. Its totient is φ = 3521070.

The previous prime is 3521059. The next prime is 3521083. The reversal of 3521071 is 1701253.

It is a balanced prime because it is at equal distance from previous prime (3521059) and next prime (3521083).

It is a cyclic number.

It is not a de Polignac number, because 3521071 - 2¹⁹ = 2996783 is a prime.

3521071 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3524071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760535 + 1760536.

It is an arithmetic number, because the mean of its divisors is an integer number (1760536).

Almost surely, 2^3521071 is an apocalyptic number.

3521071 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521071 is an equidigital number, since it uses as much as digits as its factorization.

3521071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 3521071 is about 1876.4517046809. The cubic root of 3521071 is about 152.1335247527.

The spelling of 3521071 in words is "three million, five hundred twenty-one thousand, seventy-one".