3625213 has 2 divisors, whose sum is σ = 3625214. Its totient is φ = 3625212.

The previous prime is 3625211. The next prime is 3625229. The reversal of 3625213 is 3125263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3545689 + 79524 = 1883^2 + 282^2 .

It is a cyclic number.

It is not a de Polignac number, because 3625213 - 2¹ = 3625211 is a prime.

It is a super-3 number, since 3×3625213³ (a number of 21 digits) contains 333 as substring.

Together with 3625211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3625211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812606 + 1812607.

It is an arithmetic number, because the mean of its divisors is an integer number (1812607).

Almost surely, 2^3625213 is an apocalyptic number.

It is an amenable number.

3625213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625213 is an equidigital number, since it uses as much as digits as its factorization.

3625213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 3625213 is about 1903.9992121847. Note that the first 3 decimals coincide. The cubic root of 3625213 is about 153.6188499770.

The spelling of 3625213 in words is "three million, six hundred twenty-five thousand, two hundred thirteen".