3956501 has 2 divisors, whose sum is σ = 3956502. Its totient is φ = 3956500.

The previous prime is 3956471. The next prime is 3956509. The reversal of 3956501 is 1056593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 1100401 = 1690^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 3956501 - 2¹⁴ = 3940117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3956509) 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, 1978250 + 1978251.

It is an arithmetic number, because the mean of its divisors is an integer number (1978251).

Almost surely, 2^3956501 is an apocalyptic number.

It is an amenable number.

3956501 is a deficient number, since it is larger than the sum of its proper divisors (1).

3956501 is an equidigital number, since it uses as much as digits as its factorization.

3956501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 3956501 is about 1989.0955230959. The cubic root of 3956501 is about 158.1625870017.

The spelling of 3956501 in words is "three million, nine hundred fifty-six thousand, five hundred one".