771425 has 12 divisors (see below), whose sum is σ = 974640. Its totient is φ = 605520.

The previous prime is 771403. The next prime is 771427. The reversal of 771425 is 524177.

771425 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 771425 - 2¹⁰ = 770401 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 771394 and 771403.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 771425.

It is not an unprimeable number, because it can be changed into a prime (771427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1214 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (81220).

2⁷⁷¹⁴²⁵ is an apocalyptic number.

It is an amenable number.

771425 is a deficient number, since it is larger than the sum of its proper divisors (203215).

771425 is a wasteful number, since it uses less digits than its factorization.

771425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 587 counting only the distinct ones).

The product of its digits is 1960, while the sum is 26.

The square root of 771425 is about 878.3080325262. The cubic root of 771425 is about 91.7130710869.

The spelling of 771425 in words is "seven hundred seventy-one thousand, four hundred twenty-five".