3257512225 has 12 divisors (see below), whose sum is σ = 4406526000. Its totient is φ = 2369099600.

The previous prime is 3257512211. The next prime is 3257512249. The reversal of 3257512225 is 5222157523.

It is not a de Polignac number, because 3257512225 - 2¹¹ = 3257510177 is a prime.

It is a super-2 number, since 2×3257512225² = 21222771792048901250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5922475 + ... + 5923024.

It is an arithmetic number, because the mean of its divisors is an integer number (367210500).

Almost surely, 2^3257512225 is an apocalyptic number.

It is an amenable number.

3257512225 is a deficient number, since it is larger than the sum of its proper divisors (1149013775).

3257512225 is a wasteful number, since it uses less digits than its factorization.

3257512225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11845520 (or 11845515 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 3257512225 is about 57074.6197972444. The cubic root of 3257512225 is about 1482.3884348153.

Adding to 3257512225 its reverse (5222157523), we get a palindrome (8479669748).

The spelling of 3257512225 in words is "three billion, two hundred fifty-seven million, five hundred twelve thousand, two hundred twenty-five".