3257777225 has 6 divisors (see below), whose sum is σ = 4039643790. Its totient is φ = 2606221760.

The previous prime is 3257777209. The next prime is 3257777233. The reversal of 3257777225 is 5227777523.

It can be written as a sum of positive squares in 3 ways, for example, as 10942864 + 3246834361 = 3308^2 + 56981^2 .

It is not a de Polignac number, because 3257777225 - 2⁴ = 3257777209 is a prime.

It is a super-2 number, since 2×3257777225² = 21226224895457401250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3257777225.

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, 65155520 + ... + 65155569.

It is an arithmetic number, because the mean of its divisors is an integer number (673273965).

Almost surely, 2^3257777225 is an apocalyptic number.

It is an amenable number.

3257777225 is a deficient number, since it is larger than the sum of its proper divisors (781866565).

3257777225 is a wasteful number, since it uses less digits than its factorization.

3257777225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130311099 (or 130311094 counting only the distinct ones).

The product of its digits is 1440600, while the sum is 47.

The square root of 3257777225 is about 57076.9412722861. The cubic root of 3257777225 is about 1482.4286313678.

The spelling of 3257777225 in words is "three billion, two hundred fifty-seven million, seven hundred seventy-seven thousand, two hundred twenty-five".