3520873 has 2 divisors, whose sum is σ = 3520874. Its totient is φ = 3520872.

The previous prime is 3520841. The next prime is 3520879. The reversal of 3520873 is 3780253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2650384 + 870489 = 1628^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520873 - 2⁵ = 3520841 is a prime.

It is not a weakly prime, because it can be changed into another prime (3520879) 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, 1760436 + 1760437.

It is an arithmetic number, because the mean of its divisors is an integer number (1760437).

Almost surely, 2^3520873 is an apocalyptic number.

It is an amenable number.

3520873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520873 is an equidigital number, since it uses as much as digits as its factorization.

3520873 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3520873 is about 1876.3989447876. The cubic root of 3520873 is about 152.1306730633.

The spelling of 3520873 in words is "three million, five hundred twenty thousand, eight hundred seventy-three".