3625991253 has 12 divisors (see below), whose sum is σ = 5238536940. Its totient is φ = 2416868736.

The previous prime is 3625991227. The next prime is 3625991263. The reversal of 3625991253 is 3521995263.

3625991253 is a `hidden beast` number, since 3 + 6 + 2 + 599 + 1 + 2 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1914762564 + 1711228689 = 43758^2 + 41367^2 .

It is not a de Polignac number, because 3625991253 - 2⁵ = 3625991221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3625991199 and 3625991208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625991263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15853 + ... + 86621.

It is an arithmetic number, because the mean of its divisors is an integer number (436544745).

Almost surely, 2^3625991253 is an apocalyptic number.

It is an amenable number.

3625991253 is a deficient number, since it is larger than the sum of its proper divisors (1612545687).

3625991253 is a wasteful number, since it uses less digits than its factorization.

3625991253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76468 (or 76465 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 3625991253 is about 60216.2042393906. The cubic root of 3625991253 is about 1536.2984204623.

The spelling of 3625991253 in words is "three billion, six hundred twenty-five million, nine hundred ninety-one thousand, two hundred fifty-three".