3613801 has 3 divisors (see below), whose sum is σ = 3615703. Its totient is φ = 3611900.

The previous prime is 3613789. The next prime is 3613807. The reversal of 3613801 is 1083163.

The square root of 3613801 is 1901.

It is a perfect power (a square), and thus also a powerful number.

3613801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1083163 = 991 ⋅1093.

It can be written as a sum of positive squares in only one way, i.e., 301401 + 3312400 = 549^2 + 1820^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3613801 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3613807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 951 + ... + 2851.

Almost surely, 2^3613801 is an apocalyptic number.

3613801 is the 1901-st square number.

3613801 is the 951-st centered octagonal number.

It is an amenable number.

3613801 is a deficient number, since it is larger than the sum of its proper divisors (1902).

3613801 is an frugal number, since it uses more digits than its factorization.

3613801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The cubic root of 3613801 is about 153.4574855646.

Adding to 3613801 its reverse (1083163), we get a palindrome (4696964).

The spelling of 3613801 in words is "three million, six hundred thirteen thousand, eight hundred one".