3215603225 has 12 divisors (see below), whose sum is σ = 4197209040. Its totient is φ = 2437088400.

The previous prime is 3215603221. The next prime is 3215603239. The reversal of 3215603225 is 5223065123.

It is not a de Polignac number, because 3215603225 - 2² = 3215603221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3215603221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3384371 + ... + 3385320.

It is an arithmetic number, because the mean of its divisors is an integer number (349767420).

Almost surely, 2^3215603225 is an apocalyptic number.

It is an amenable number.

3215603225 is a deficient number, since it is larger than the sum of its proper divisors (981605815).

3215603225 is a wasteful number, since it uses less digits than its factorization.

3215603225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769720 (or 6769715 counting only the distinct ones).

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

The square root of 3215603225 is about 56706.2891132897. The cubic root of 3215603225 is about 1476.0038326159.

Adding to 3215603225 its reverse (5223065123), we get a palindrome (8438668348).

The spelling of 3215603225 in words is "three billion, two hundred fifteen million, six hundred three thousand, two hundred twenty-five".