3625850221 has 4 divisors (see below), whose sum is σ = 4143828832. Its totient is φ = 3107871612.

The previous prime is 3625850201. The next prime is 3625850227. The reversal of 3625850221 is 1220585263.

3625850221 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 3625850221 - 2²³ = 3617461613 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 (3625850227) 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, 258989295 + ... + 258989308.

It is an arithmetic number, because the mean of its divisors is an integer number (1035957208).

Almost surely, 2^3625850221 is an apocalyptic number.

It is an amenable number.

3625850221 is a deficient number, since it is larger than the sum of its proper divisors (517978611).

3625850221 is an equidigital number, since it uses as much as digits as its factorization.

3625850221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517978610.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 3625850221 is about 60215.0331810919. The cubic root of 3625850221 is about 1536.2785022263.

The spelling of 3625850221 in words is "three billion, six hundred twenty-five million, eight hundred fifty thousand, two hundred twenty-one".