777225 has 24 divisors (see below), whose sum is σ = 1320352. Its totient is φ = 403200.

The previous prime is 777221. The next prime is 777241. The reversal of 777225 is 522777.

777225 is nontrivially palindromic in base 14.

777225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 777225 - 2² = 777221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 777192 and 777201.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 777225.

It is not an unprimeable number, because it can be changed into a prime (777221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3105 + ... + 3345.

2⁷⁷⁷²²⁵ is an apocalyptic number.

777225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

777225 is a deficient number, since it is larger than the sum of its proper divisors (543127).

777225 is a wasteful number, since it uses less digits than its factorization.

777225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 292 counting only the distinct ones).

The product of its digits is 6860, while the sum is 30.

The square root of 777225 is about 881.6036524425. The cubic root of 777225 is about 91.9423473068.

The spelling of 777225 in words is "seven hundred seventy-seven thousand, two hundred twenty-five".