3825627209 has 2 divisors, whose sum is σ = 3825627210. Its totient is φ = 3825627208.

The previous prime is 3825627187. The next prime is 3825627227. The reversal of 3825627209 is 9027265283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2784145225 + 1041481984 = 52765^2 + 32272^2 .

It is a cyclic number.

It is not a de Polignac number, because 3825627209 - 2¹⁶ = 3825561673 is a prime.

It is a super-2 number, since 2×3825627209² = 29270847084482259362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3825627209.

It is not a weakly prime, because it can be changed into another prime (3825627229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912813604 + 1912813605.

It is an arithmetic number, because the mean of its divisors is an integer number (1912813605).

Almost surely, 2^3825627209 is an apocalyptic number.

It is an amenable number.

3825627209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3825627209 is an equidigital number, since it uses as much as digits as its factorization.

3825627209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 3825627209 is about 61851.6548606422. The cubic root of 3825627209 is about 1563.9908786095.

The spelling of 3825627209 in words is "three billion, eight hundred twenty-five million, six hundred twenty-seven thousand, two hundred nine".