3527201 has 4 divisors (see below), whose sum is σ = 3533892. Its totient is φ = 3520512.

The previous prime is 3527137. The next prime is 3527213. The reversal of 3527201 is 1027253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1027253 = 151 ⋅6803.

It can be written as a sum of positive squares in 2 ways, for example, as 2972176 + 555025 = 1724^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 3527201 - 2⁶ = 3527137 is a prime.

It is a super-2 number, since 2×3527201² = 24882293788802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3527261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2480 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (883473).

Almost surely, 2^3527201 is an apocalyptic number.

It is an amenable number.

3527201 is a deficient number, since it is larger than the sum of its proper divisors (6691).

3527201 is an equidigital number, since it uses as much as digits as its factorization.

3527201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 3527201 is about 1878.0843963997. The cubic root of 3527201 is about 152.2217590655.

The spelling of 3527201 in words is "three million, five hundred twenty-seven thousand, two hundred one".