3213340225 has 6 divisors (see below), whose sum is σ = 3984541910. Its totient is φ = 2570672160.

The previous prime is 3213340213. The next prime is 3213340231. The reversal of 3213340225 is 5220433123.

It can be written as a sum of positive squares in 3 ways, for example, as 649842064 + 2563498161 = 25492^2 + 50631^2 .

It is not a de Polignac number, because 3213340225 - 2¹³ = 3213332033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 128533609 = 3213340225 / (3 + 2 + 1 + 3 + 3 + 4 + 0 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3213340225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64266780 + ... + 64266829.

Almost surely, 2^3213340225 is an apocalyptic number.

It is an amenable number.

3213340225 is a deficient number, since it is larger than the sum of its proper divisors (771201685).

3213340225 is a wasteful number, since it uses less digits than its factorization.

3213340225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128533619 (or 128533614 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3213340225 is about 56686.3319063776. The cubic root of 3213340225 is about 1475.6575025178.

Adding to 3213340225 its reverse (5220433123), we get a palindrome (8433773348).

The spelling of 3213340225 in words is "three billion, two hundred thirteen million, three hundred forty thousand, two hundred twenty-five".