3520901 has 2 divisors, whose sum is σ = 3520902. Its totient is φ = 3520900.

The previous prime is 3520897. The next prime is 3520903. The reversal of 3520901 is 1090253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3511876 + 9025 = 1874^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520901 - 2² = 3520897 is a prime.

Together with 3520903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3520903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760450 + 1760451.

It is an arithmetic number, because the mean of its divisors is an integer number (1760451).

Almost surely, 2^3520901 is an apocalyptic number.

It is an amenable number.

3520901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520901 is an equidigital number, since it uses as much as digits as its factorization.

3520901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 3520901 is about 1876.4064058727. The cubic root of 3520901 is about 152.1310763390.

The spelling of 3520901 in words is "three million, five hundred twenty thousand, nine hundred one".