775025 has 12 divisors (see below), whose sum is σ = 995100. Its totient is φ = 598080.

The previous prime is 775007. The next prime is 775037. The reversal of 775025 is 520577.

It can be written as a sum of positive squares in 6 ways, for example, as 16384 + 758641 = 128^2 + 871^2 .

It is not a de Polignac number, because 775025 - 2¹⁰ = 774001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 774985 and 775003.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 775025.

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, 191 + ... + 1259.

It is an arithmetic number, because the mean of its divisors is an integer number (82925).

2⁷⁷⁵⁰²⁵ is an apocalyptic number.

It is an amenable number.

775025 is a deficient number, since it is larger than the sum of its proper divisors (220075).

775025 is a wasteful number, since it uses less digits than its factorization.

775025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 775025 is about 880.3550420143. The cubic root of 775025 is about 91.8555151732.

The spelling of 775025 in words is "seven hundred seventy-five thousand, twenty-five".