3213504225 has 96 divisors (see below), whose sum is σ = 6187104000. Its totient is φ = 1632153600.

The previous prime is 3213504223. The next prime is 3213504263. The reversal of 3213504225 is 5224053123.

It is a happy number.

It is not a de Polignac number, because 3213504225 - 2¹ = 3213504223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3213504223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6970495 + ... + 6970955.

It is an arithmetic number, because the mean of its divisors is an integer number (64449000).

Almost surely, 2^3213504225 is an apocalyptic number.

It is an amenable number.

3213504225 is a deficient number, since it is larger than the sum of its proper divisors (2973599775).

3213504225 is a wasteful number, since it uses less digits than its factorization.

3213504225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3213504225 is about 56687.7784447406. The cubic root of 3213504225 is about 1475.6826065836.

Adding to 3213504225 its reverse (5224053123), we get a palindrome (8437557348).

The spelling of 3213504225 in words is "three billion, two hundred thirteen million, five hundred four thousand, two hundred twenty-five".