657325 has 6 divisors (see below), whose sum is σ = 815114. Its totient is φ = 525840.

The previous prime is 657323. The next prime is 657347. The reversal of 657325 is 523756.

657325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 209764 + 447561 = 458^2 + 669^2 .

It is not a de Polignac number, because 657325 - 2¹ = 657323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 657293 and 657302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13122 + ... + 13171.

2⁶⁵⁷³²⁵ is an apocalyptic number.

It is an amenable number.

657325 is a deficient number, since it is larger than the sum of its proper divisors (157789).

657325 is a wasteful number, since it uses less digits than its factorization.

657325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26303 (or 26298 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 657325 is about 810.7558202073. The cubic root of 657325 is about 86.9480907587.

The spelling of 657325 in words is "six hundred fifty-seven thousand, three hundred twenty-five".