3520801 has 2 divisors, whose sum is σ = 3520802. Its totient is φ = 3520800.

The previous prime is 3520799. The next prime is 3520813. The reversal of 3520801 is 1080253.

It is a happy number.

3520801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3294225 + 226576 = 1815^2 + 476^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520801 - 2¹ = 3520799 is a prime.

Together with 3520799, it forms a pair of twin primes.

It is equal to p₂₅₁₅₁₅ and since 3520801 and 251515 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3520841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760400 + 1760401.

It is an arithmetic number, because the mean of its divisors is an integer number (1760401).

Almost surely, 2^3520801 is an apocalyptic number.

It is an amenable number.

3520801 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520801 is an equidigital number, since it uses as much as digits as its factorization.

3520801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 3520801 is about 1876.3797590040. The cubic root of 3520801 is about 152.1296360588.

The spelling of 3520801 in words is "three million, five hundred twenty thousand, eight hundred one".