775325 has 6 divisors (see below), whose sum is σ = 961434. Its totient is φ = 620240.

The previous prime is 775309. The next prime is 775343. The reversal of 775325 is 523577.

It can be written as a sum of positive squares in 3 ways, for example, as 11449 + 763876 = 107^2 + 874^2 .

It is not a de Polignac number, because 775325 - 2⁴ = 775309 is a prime.

It is a super-2 number, since 2×775325² = 1202257711250, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

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, 15482 + ... + 15531.

It is an arithmetic number, because the mean of its divisors is an integer number (160239).

2⁷⁷⁵³²⁵ is an apocalyptic number.

It is an amenable number.

775325 is a deficient number, since it is larger than the sum of its proper divisors (186109).

775325 is a wasteful number, since it uses less digits than its factorization.

775325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31023 (or 31018 counting only the distinct ones).

The product of its digits is 7350, while the sum is 29.

The square root of 775325 is about 880.5254113312. The cubic root of 775325 is about 91.8673655865.

The spelling of 775325 in words is "seven hundred seventy-five thousand, three hundred twenty-five".