3505901 has 6 divisors (see below), whose sum is σ = 4078350. Its totient is φ = 3005016.

The previous prime is 3505889. The next prime is 3505921. The reversal of 3505901 is 1095053.

It can be written as a sum of positive squares in only one way, i.e., 2328676 + 1177225 = 1526^2 + 1085^2 .

It is not a de Polignac number, because 3505901 - 2¹⁴ = 3489517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35726 + ... + 35823.

It is an arithmetic number, because the mean of its divisors is an integer number (679725).

Almost surely, 2^3505901 is an apocalyptic number.

It is an amenable number.

3505901 is a deficient number, since it is larger than the sum of its proper divisors (572449).

3505901 is an equidigital number, since it uses as much as digits as its factorization.

3505901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71563 (or 71556 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 3505901 is about 1872.4051377840. The cubic root of 3505901 is about 151.9147288343.

The spelling of 3505901 in words is "three million, five hundred five thousand, nine hundred one".