3213625205 has 16 divisors (see below), whose sum is σ = 4598878464. Its totient is φ = 2107818240.

The previous prime is 3213625201. The next prime is 3213625213. The reversal of 3213625205 is 5025263123.

It is not a de Polignac number, because 3213625205 - 2² = 3213625201 is a prime.

It is a super-2 number, since 2×3213625205² = 20654773916422584050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213625201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1995236 + ... + 1996845.

It is an arithmetic number, because the mean of its divisors is an integer number (287429904).

Almost surely, 2^3213625205 is an apocalyptic number.

3213625205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3213625205 is a deficient number, since it is larger than the sum of its proper divisors (1385253259).

3213625205 is a wasteful number, since it uses less digits than its factorization.

3213625205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992116.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3213625205 is about 56688.8455077364. The cubic root of 3213625205 is about 1475.7011248769.

Adding to 3213625205 its reverse (5025263123), we get a palindrome (8238888328).

The spelling of 3213625205 in words is "three billion, two hundred thirteen million, six hundred twenty-five thousand, two hundred five".