677425 has 24 divisors (see below), whose sum is σ = 992000. Its totient is φ = 458640.

The previous prime is 677423. The next prime is 677441. The reversal of 677425 is 524776.

677425 = 91² + 92² + ... + 140².

It is not a de Polignac number, because 677425 - 2¹ = 677423 is a prime.

677425 is a lucky number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (677423) 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, 8536 + ... + 8614.

2⁶⁷⁷⁴²⁵ is an apocalyptic number.

It is an amenable number.

677425 is a deficient number, since it is larger than the sum of its proper divisors (314575).

677425 is an equidigital number, since it uses as much as digits as its factorization.

677425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 91 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 677425 is about 823.0583211413. The cubic root of 677425 is about 87.8254546433.

The spelling of 677425 in words is "six hundred seventy-seven thousand, four hundred twenty-five".