647030125 has 16 divisors (see below), whose sum is σ = 922851072. Its totient is φ = 443677200.

The previous prime is 647030119. The next prime is 647030129. The reversal of 647030125 is 521030746.

647030125 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 647030125 - 2⁵ = 647030093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 647030093 and 647030102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647030129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368857 + ... + 370606.

It is an arithmetic number, because the mean of its divisors is an integer number (57678192).

Almost surely, 2^647030125 is an apocalyptic number.

It is an amenable number.

647030125 is a deficient number, since it is larger than the sum of its proper divisors (275820947).

647030125 is an equidigital number, since it uses as much as digits as its factorization.

647030125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739485 (or 739475 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 647030125 is about 25436.7868450400. The cubic root of 647030125 is about 864.9177976614.

The spelling of 647030125 in words is "six hundred forty-seven million, thirty thousand, one hundred twenty-five".