647325 has 48 divisors (see below), whose sum is σ = 1368960. Its totient is φ = 293760.

The previous prime is 647321. The next prime is 647327. The reversal of 647325 is 523746.

It is a happy number.

647325 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 647325 - 2² = 647321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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 647325.

It is not an unprimeable number, because it can be changed into a prime (647321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4657 + ... + 4793.

It is an arithmetic number, because the mean of its divisors is an integer number (28520).

2⁶⁴⁷³²⁵ is an apocalyptic number.

It is an amenable number.

647325 is an abundant number, since it is smaller than the sum of its proper divisors (721635).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647325 is a wasteful number, since it uses less digits than its factorization.

647325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 152 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 647325 is about 804.5650999142. The cubic root of 647325 is about 86.5049169134.

The spelling of 647325 in words is "six hundred forty-seven thousand, three hundred twenty-five".