3625161 has 4 divisors (see below), whose sum is σ = 4833552. Its totient is φ = 2416772.

The previous prime is 3625151. The next prime is 3625177. The reversal of 3625161 is 1615263.

3625161 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 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 3625161 - 2⁷ = 3625033 is a prime.

It is a super-3 number, since 3×3625161³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Curzon number.

3625161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3625151) 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 3 ways as a sum of consecutive naturals, for example, 604191 + ... + 604196.

It is an arithmetic number, because the mean of its divisors is an integer number (1208388).

Almost surely, 2^3625161 is an apocalyptic number.

It is an amenable number.

3625161 is a deficient number, since it is larger than the sum of its proper divisors (1208391).

3625161 is a wasteful number, since it uses less digits than its factorization.

3625161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208390.

The product of its digits is 1080, while the sum is 24.

The square root of 3625161 is about 1903.9855566679. The cubic root of 3625161 is about 153.6181154714.

The spelling of 3625161 in words is "three million, six hundred twenty-five thousand, one hundred sixty-one".