3621101 has 4 divisors (see below), whose sum is σ = 3950304. Its totient is φ = 3291900.

The previous prime is 3621083. The next prime is 3621103. The reversal of 3621101 is 1011263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3621101 - 2¹⁴ = 3604717 is a prime.

It is a super-2 number, since 2×3621101² = 26224744904402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621103) 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, 164585 + ... + 164606.

It is an arithmetic number, because the mean of its divisors is an integer number (987576).

Almost surely, 2^3621101 is an apocalyptic number.

It is an amenable number.

3621101 is a deficient number, since it is larger than the sum of its proper divisors (329203).

3621101 is a wasteful number, since it uses less digits than its factorization.

3621101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329202.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3621101 is about 1902.9190734238. The cubic root of 3621101 is about 153.5607458329.

Adding to 3621101 its reverse (1011263), we get a palindrome (4632364).

The spelling of 3621101 in words is "three million, six hundred twenty-one thousand, one hundred one".