3625241321 has 4 divisors (see below), whose sum is σ = 3904106052. Its totient is φ = 3346376592.

The previous prime is 3625241299. The next prime is 3625241341. The reversal of 3625241321 is 1231425263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1231425263 = 443 ⋅2779741.

It can be written as a sum of positive squares in 2 ways, for example, as 765130921 + 2860110400 = 27661^2 + 53480^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3625241321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3625241341) 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, 139432346 + ... + 139432371.

It is an arithmetic number, because the mean of its divisors is an integer number (976026513).

Almost surely, 2^3625241321 is an apocalyptic number.

It is an amenable number.

3625241321 is a deficient number, since it is larger than the sum of its proper divisors (278864731).

3625241321 is a wasteful number, since it uses less digits than its factorization.

3625241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278864730.

The product of its digits is 8640, while the sum is 29.

The square root of 3625241321 is about 60209.9769224337. The cubic root of 3625241321 is about 1536.1925001127.

Adding to 3625241321 its reverse (1231425263), we get a palindrome (4856666584).

The spelling of 3625241321 in words is "three billion, six hundred twenty-five million, two hundred forty-one thousand, three hundred twenty-one".